The following discussion and analysis of our financial condition and results of
operations should be read in conjunction with our condensed consolidated
financial statements and the related notes and other financial information
included elsewhere in this Quarterly Report on Form 10-Q and our Annual Report
on Form 10-K for the fiscal year ended December 31, 2019 filed with the
Securities and Exchange Commission (the "SEC") on March 25, 2020 (the "Annual
Report"). In addition to historical consolidated financial information, the
following discussion contains forward-looking statements that reflect our plans,
estimates, and beliefs. Our actual results could differ materially from those
discussed in the forward-looking statements. You should review the sections
titled "Special Note Regarding Forward-Looking Statements" for a discussion of
forward-looking statements and in Part II, Item 1A, "Risk Factors" for a
discussion of factors that could cause actual results to differ materially from
the results described in or implied by the forward-looking statements contained
in the following discussion and analysis and elsewhere in this Quarterly Report
on Form 10-Q and in our Annual Report.

Overview



We are a growing cancer genomics company transforming the development of
next-generation therapies by providing more comprehensive molecular data about
each patient's cancer and immune response. We designed our NeXT Platform to
adapt to the complex and evolving understanding of cancer, providing our
biopharmaceutical customers with information on all of the approximately 20,000
human genes, together with the immune system, in contrast to many cancer panels
that cover roughly 50 to 500 genes. In parallel with the development of our
platform technology, we have also pursued business within the population
sequencing market, and we have provided whole genome sequencing services under
contract with the U.S. Department of Veterans Affairs (the "VA") Million Veteran
Program (the "VA MVP"), which has enabled us to innovate, scale our operational
infrastructure, and achieve greater efficiencies in our lab. In September 2020,
we announced receipt of a new task order from the VA MVP with an approximate
value of up to $31 million. The cumulative value of task orders received to date
from the VA MVP has increased to approximately $175 million.

In August 2020, we launched a liquid biopsy assay that analyzes all of the
approximately 20,000 human genes versus the more narrowly focused liquid biopsy
assays that are currently available. By combining technological innovation,
operational scale, and regulatory differentiation, our NeXT Platform is designed
to help our customers obtain new insights into the mechanisms of response and
resistance to therapy as well as new potential therapeutic targets. Our platform
enhances the ability of biopharmaceutical companies to unlock the potential of
conducting translational research in the clinic rather than with pre-clinical
animal models or cancer cell lines. We also announced in January 2020 a
diagnostic based on our NeXT Platform that we envision being used initially by
both leading clinical cancer centers as well as biopharmaceutical companies.

On August 14, 2020, we completed a follow-on offering in which we issued and
sold 6,578,947 shares of common stock at a public offering price of $19.00 per
share. We received net proceeds of $117.5 million after deducting underwriting
discounts and commissions. We also incurred $0.4 million of offering expenses,
including legal, accounting, printing and other offering-related costs, of which
$0.1 million was paid by September 30, 2020.

Our operations have been impacted by the ongoing COVID-19 pandemic. While the
state and county reopening and health orders applicable to us allow for
continued operation of so-called Essential Businesses, which includes certain
critical healthcare operations and services, we have substantially closed our
office facilities and limited access to our laboratory facilities, to protect
our employees and to comply with the provisions described within the orders. We
provided temporary increased pay to certain laboratory personnel in the second
quarter for their work during the COVID-19 pandemic. Such increased pay was not
provided in the third quarter, but we may decide to resume increased pay in the
future. The previous shelter-in-place order and current reopening and health
orders have negatively impacted productivity, disrupted our business, and slowed
research and development activities due to us limiting access to our laboratory
space that would otherwise be used by our research and development group, and,
to the extent such orders remain in place, they may continue to cause such
effects on our operations. The reopening and health orders may disrupt the
ability of our suppliers to fulfill our purchase orders in a timely manner or at
all. Additionally, we are aware of increased demand in the market for certain
consumables used in COVID-19 test kits. We use such consumables in our
operations, and we may face difficulties in acquiring such consumables if our
suppliers prioritize orders related to COVID-19. Several of our customers were
delayed in sending us samples in the second and third quarters due to the
inability to collect or ship samples during the COVID-19 pandemic, and these and
additional customers may be disrupted from sending purchase orders and samples
to us in the future. Many of our customers, potential customers and potential
partners have also put in place policies restricting visitors from other
companies, and therefore our sales team and members of management have been
unable to meet such parties in person, which may result in reduced acquisition
of new customers, fewer orders from existing customers, and fewer potential
partnering opportunities. If our laboratory employees were to contract COVID-19,
we may significantly curtail our laboratory operations or pause operations
altogether until the imminent health risk to our employees subsided. Such
disruptions in our operations, and our customers' and suppliers' operations, may
continue to adversely affect revenues and operating results.

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The scope and duration of such impact is highly uncertain. We are unable to
predict or quantify the impact of any potential disruption to our supply chain,
changes in consumer demand or any other actions that may become necessary as
events unfold. In response to this uncertainty, the COVID-19 Advisory Committee
of our board of directors was formed in March 2020 and is responsible for
advising management on the unique risks to our business, operations, employees,
facilities and financial condition related to the COVID-19 pandemic and
overseeing our plans and initiatives to respond to and mitigate the risks
presented by the pandemic.

Components of Operating Results

Revenues



We derive our revenues primarily from sequencing and data analysis services to
support the development of next-generation cancer therapies and to support
large-scale genetic research programs. We support our customers by providing
high-accuracy, validated genomic sequencing and advanced analytics. Many of
these analytics are related to state-of-the-art biomarkers, including those
relevant to immuno-oncology therapeutics such as checkpoint inhibitors.

Our revenues are primarily generated through contracts with companies in the
pharmaceutical industry, healthcare organizations, and government entities. Our
ability to increase our revenues will depend on our ability to further penetrate
this market. To do this, we are developing a growing set of additional
state-of-the-art products, advancing our operational infrastructure, expanding
our international presence, building our regulatory credentials, and expanding
our targeted marketing efforts. Unlike diagnostic or therapeutic companies, we
have not to date sought reimbursement through traditional healthcare payors. We
sell through a small direct sales force.

We have one reportable segment from the sale of sequencing and data analysis
services. Substantially all of our revenues to date have been derived from sales
in the United States.

Costs and Expenses

Costs of Revenues

Costs of revenues consist of production material costs, personnel costs
(salaries, bonuses, benefits, and stock-based compensation), costs of
consumables, laboratory supplies, depreciation and service maintenance on
capitalized equipment, and information technology ("IT") and facility costs. We
expect costs of revenues to increase as our revenues grow, and in the short term
costs of revenues may outpace revenues growth as we invest in expanding our
laboratory capacity, but over time the cost per sample processed is expected to
decrease due to economies of scale we may gain as volume increases, automation
initiatives, and other cost reductions.

Research and Development Expenses



Research and development expenses consist of costs incurred for the development
of our products. These expenses consist primarily of payroll and personnel costs
(salaries, bonuses, benefits, and stock-based compensation), costs of
consumables, laboratory supplies, depreciation and service maintenance on
capitalized equipment, and IT and facilities costs. These expenses also include
costs associated with our collaborations, which we expect to increase over time.

We expense our research and development expenses in the period in which they are incurred. We expect to increase our research and development expenses as we continue to develop new products.

Selling, General and Administrative Expenses



Selling expenses consist of personnel costs, customer support expenses, direct
marketing expenses, educational and promotional expenses, and market research.
Our general and administrative expenses include costs for our executive,
accounting, finance, legal, and human resources functions. These expenses
consist of personnel costs, audit and legal expenses, consulting costs, and IT
and facility costs. We expense all selling, general and administrative expenses
as incurred.

We expect our selling expenses will continue to increase in absolute dollars,
primarily driven by our efforts to expand our commercial capability and to
expand our brand awareness and customer base through targeted marketing
initiatives with an increased presence both within and outside the United
States. We also expect general and administrative expenses to increase as we
scale our operations.

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Interest Income



Interest income consists primarily of interest earned on our cash and cash
equivalents and short-term investments. Interest income increased significantly
beginning in the second half of 2019 as a result of us investing proceeds from
the IPO. More recently, interest income has been adversely impacted by recent
declines in yields on debt securities. We expect that our interest income will
continue to decline in the future as the decline in yields is expected to more
than offset the increased investments balances after our August 2020 follow-on
offering.

Interest Expense

Previously, interest expense primarily consisted of cash and non-cash interest
costs related to our term loan, convertible promissory notes, revolving loan and
security agreement (the "Revolving Loan") with TriplePoint Capital LLC
("TriplePoint"), and growth capital loan (the "Growth Capital Loan") with
TriplePoint. After the payoff of our Growth Capital Loan in August 2019, we no
longer have any outstanding debt and have not incurred material interest expense
from that point forward.

Other Income (Expense), Net

Other income (expense), net consists primarily of foreign currency exchange
gains and losses. In 2019, other income (expense), net also consisted of changes
in fair value of convertible preferred stock warrant liability. Due to the
conversion of convertible preferred stock warrants to common stock warrants upon
our IPO, changes in fair value of such warrants are no longer recorded through
income since our IPO. See Note 10 included elsewhere in this Quarterly Report on
Form 10-Q for further discussion of this item. We expect our foreign currency
gains and losses to continue to fluctuate in the future due to changes in
foreign currency exchange rates.

Results of Operations



The following sets forth, for the periods presented, our unaudited condensed
consolidated statements of operations (in thousands, except share and per share
data):



                                                Three Months Ended                 Nine Months Ended
                                                   September 30,                     September 30,
                                               2020             2019             2020             2019
Revenues                                   $     19,816     $     17,153     $     58,472     $     47,053
Costs and expenses
Costs of revenues                                14,483           11,524           44,428           31,538
Research and development                          7,193            5,303           20,048           15,045
Selling, general and administrative               7,793            6,056           22,772           15,692
Total costs and expenses                         29,469           22,883           87,248           62,275
Loss from operations                             (9,653 )         (5,730 )        (28,776 )        (15,222 )
Interest income                                     117              756              873            1,040
Interest expense                                      -             (204 )             (2 )         (1,133 )
Loss on debt extinguishment                           -           (1,704 )              -           (1,704 )
Other income (expense), net                          (4 )             (2 )              5           (1,415 )
Loss before income taxes                         (9,540 )         (6,884 )        (27,900 )        (18,434 )
Provision for income taxes                           (5 )             (1 )            (39 )             (5 )
Net loss                                   $     (9,545 )   $     (6,885 )   $    (27,939 )   $    (18,439 )
Net loss per share, basic and diluted      $      (0.27 )   $      (0.22 )   $      (0.85 )   $      (1.35 )
Weighted-average shares outstanding,
basic and diluted                            35,460,092       31,133,683       32,845,583       13,613,444




Revenues

The following table shows revenues by customer type (in thousands):





                                Three Months Ended                            Nine Months Ended
                                   September 30,             Change             September 30,             Change
                               2020            2019                         2020            2019
VA MVP                       $  14,092       $  12,912         9%         $  43,598       $  29,791        46%
All other customers              5,724           4,241        35%            14,874          17,262       (14)%
Total revenues               $  19,816       $  17,153        16%         $  58,472       $  47,053        24%


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The following table shows concentration of revenues by customer:





                                                Three Months Ended September 30,                 Nine Months Ended September 30,
                                                2020                         2019               2020                         2019
VA MVP                                          71%                          75%                75%                          63%
Pfizer Inc.                                      *                           11%                 *                           17%
* Less than 10% of revenues




VA MVP

The increase in revenues from the VA MVP during the third quarter and first nine
months of 2020 was driven by an increase in the volume of samples we tested in
each such period. This increase was driven by a significant rise in the number
of samples we received from the VA MVP since the start of 2019. Our increasingly
automated laboratory has supported this higher level of sample volumes.

All Other Customers



The increase in revenues from all other customers during the third quarter of
2020 was driven primarily by an increase in the volume of samples we tested in
the period. The increased sample volumes were primarily from large
pharmaceutical customers we are partnering with on retrospective clinical
trials. Approximately $0.5 million of the increase in revenues was related to
the completion of a research collaboration with a biopharmaceutical customer in
the gene therapy space that is not expected to occur in future periods.

The decrease in revenues from all other customers during the first nine months
of 2020 was driven by a decrease in the volume of samples we tested in the
period. This was due to the receipt of relatively large orders for specific
projects from pharmaceutical customers in early 2018 that were fulfilled
beginning around the second quarter of 2018 through the second quarter of 2019,
and did not recur due to transitioning customers from our ACE platform to the
ImmunoID NeXT platform. Decreases in revenue recognized from large
pharmaceutical companies partnering with us on retrospective clinical trials
accounted for most of the decrease, partially offset by $0.65 million of
revenues related to the completion of a research collaboration with a
biopharmaceutical customer in the gene therapy space that is not expected to
occur in future periods.

Costs and Expenses



                                Three Months Ended                            Nine Months Ended
                                   September 30,             Change             September 30,             Change
                               2020            2019                         2020            2019
                                  (in thousands)                               (in thousands)
Costs of revenues            $  14,483       $  11,524        26%         $  44,428       $  31,538        41%
Research and development         7,193           5,303        36%            20,048          15,045        33%
Selling, general and
administrative                   7,793           6,056        29%            22,772          15,692        45%
Total costs and expenses     $  29,469       $  22,883        29%         $  87,248       $  62,275        40%




Costs of Revenues

The increase in the third quarter of 2020 was primarily due to the increase in
revenues discussed above. The cost components related to the increase in costs
of revenues were a $1.7 million increase in production materials; a $0.8 million
increase related to personnel-related costs including salaries, bonuses,
benefits, and stock-based compensation expense in connection with raising our
testing capacity; a $0.3 million increase in depreciation and maintenance due to
our additions of laboratory equipment; and a $0.1 million increase in IT and
facility costs.

The increase in the first nine months of 2020 was primarily due to the increase
in revenues discussed above. The cost components related to the increase in
costs of revenues were a $9.1 million increase in production materials due
primarily to higher VA MVP sample volumes; a $1.9 million increase related to
personnel-related costs including salaries, bonuses, benefits, and stock-based
compensation expense in connection with raising our testing capacity (including
approximately $0.2 million related to temporary increased pay to certain
laboratory personnel in the second quarter for their work during the COVID-19
pandemic, which did not repeat in the third quarter); a $0.7 million increase in
depreciation and maintenance costs due to our additions of laboratory equipment;
a $0.6 million increase in IT and facility costs; a $0.4 million increase in the
cost of consumables and laboratory supplies; and a $0.2 million increase in
other costs.

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Research and Development



The increase in the third quarter of 2020 was primarily due to development of
new products and lab automation efforts, and consisted of an increase of $1.5
million in personnel-related costs, including salaries, bonuses, benefits, and
stock-based compensation expense; a $0.3 million increase in IT and facilities
costs; and a $0.1 million increase in laboratory supplies costs.

The increase in the first nine months of 2020 was primarily due to development
of new products and lab automation efforts, and consisted of an increase of $4.1
million in personnel-related costs, including salaries, bonuses, benefits, and
stock-based compensation expense; a $0.6 million increase in IT and facilities
costs; and a $0.3 million increase in laboratory supplies costs.

Selling, General and Administrative



The increase in the third quarter of 2020 was primarily due to a $1.6 million
increase in personnel-related costs including salaries, bonuses, benefits, and
stock-based compensation expense primarily related to increased headcount to
support expansion of our commercial team.

The increase in the first nine months of 2020 was due to a $4.9 million increase
in personnel-related costs including salaries, bonuses, benefits, and
stock-based compensation expense primarily related to increased headcount to
support expansion of our commercial team; and a $2.2 million increase in
professional services primarily related to public company-related costs
(including corporate insurance, audit fees, and legal expenses).



Interest Income, Interest Expense, Loss on Debt Extinguishment, and Other Income
(Expense), Net



                                    Three Months Ended
                                       September 30,               Change        Nine Months Ended September 30,      Change
                                  2020                2019                           2020                2019
                                      (in thousands)                                     (in thousands)
Interest income               $        117         $      756           (85 )%   $        873         $    1,040           (16 )%
Interest expense                         -               (204 )                            (2 )           (1,133 )
Loss on debt extinguishment              -             (1,704 )                             -             (1,704 )
Other income (expense), net             (4 )               (2 )                             5             (1,415 )
Total                         $        113         $   (1,154 )                  $        876         $   (3,212 )




Interest Income

The decreases in the third quarter and first nine months of 2020 were driven by
declines in yields on debt securities beginning around the second quarter of
2020, partially offset by higher average cash and investment balances subsequent
to our IPO in June 2019 and follow-on offering in August 2020.

Interest Expense



The third quarter of 2019 included cash and non-cash interest expense related
primarily to the Growth Capital Loan, while the nine-month period ended
September 30, 2019 also included cash and non-cash interest expense related to
the Revolving Loan, which was paid off in late March 2019 with proceeds from the
Growth Capital Loan. Since the repayment of the Growth Capital Loan in August
2019, we have had no outstanding debt and therefore did not incur significant
interest expense in 2020.

Loss on Debt Extinguishment

During the third quarter of 2019, the Company recorded a $1.7 million loss on
extinguishment of debt as a result of the repayment of the Growth Capital Loan
in its entirety.

Other Income (Expense), Net

Other expense in the nine months ended September 30, 2019 was primarily
comprised of increases in the fair values of warrants for Series B and Series C
redeemable convertible preferred stock as a result of increases to the estimated
fair value of our equity during the period. Other income in 2020 was primarily
comprised of foreign currency remeasurements.

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Liquidity and Capital Resources

The following tables present selected financial information and statistics as of and for the nine months ended September 30, 2020 and 2019 (in thousands):





                                                             As of September 30,
                                                              2020          2019

Cash and cash equivalents, and short-term investments $ 206,063 $ 127,276


   Property and equipment, net                                 12,735        15,215
   Contract liabilities                                        20,593        33,726
   Working capital                                            187,689        92,909




                                                 Nine Months Ended September 30,
                                                   2020                   2019

Net cash used in operating activities $ (40,121 ) $

(20,474 )


 Net cash used in investing activities                 (2,003 )             

(46,731 )


 Net cash provided by financing activities            120,327                134,477




From our inception through September 30, 2020, we have funded our operations
primarily from $144.0 million in net proceeds from our IPO in June 2019, $117.5
million in net proceeds from our follow-on offering in August 2020, and
$89.6 million from issuance of redeemable convertible preferred stock, as well
as cash from operations and debt financing. On March 22, 2019, we received
$20.0 million in gross cash proceeds from the Growth Capital Loan. As of
September 30, 2020, we had cash and cash equivalents in the amount of $133.2
million and short-term investments in the amount of $72.8 million.

We have incurred net losses since our inception. We anticipate that our current
cash and cash equivalents and short-term investments, together with cash
provided by operating activities, are sufficient to fund our near-term capital
and operating needs for at least the next 12 months.

We have based these future funding requirements on assumptions that may prove to
be wrong, and we could utilize our available capital resources sooner than we
expect. If our available cash balances, net proceeds from the offerings and
anticipated cash flow from operations are insufficient to satisfy our liquidity
requirements, including because of lower demand for our services or other risks
described in this Quarterly Report on Form 10-Q, such as the COVID-19 pandemic,
we may seek to sell additional common or preferred equity or convertible debt
securities, enter into an additional credit facility or another form of
third-party funding or seek other debt financing. The sale of equity and
convertible debt securities may result in dilution to our stockholders and, in
the case of preferred equity securities or convertible debt, those securities
could provide for rights, preferences or privileges senior to those of our
common stock. The terms of debt securities issued or borrowings pursuant to a
credit agreement could impose significant restrictions on our operations.
Additional capital may not be available on reasonable terms, or at all.

On March 22, 2019, we entered into the Growth Capital Loan with TriplePoint to
provide for a $20.0 million growth capital loan facility and drew down the full
$20.0 million available under the facility. We used $5.1 million of the Growth
Capital Loan to repay, in its entirety, all amounts outstanding under our $10.0
million Revolving Loan with TriplePoint, under which we borrowed $5.0 million in
June 2017. Borrowings under the Growth Capital Loan bore interest at a floating
rate of prime, plus 5.00%, for borrowings up to $15.0 million and the prime rate
plus 6.50% for borrowings greater than $15.0 million. Under the Growth Capital
Loan, we were required to make monthly interest-only payments through April 1,
2020 and 36 equal monthly payments of principal, plus accrued interest, from
April 1, 2020 through March 1, 2023, when all unpaid principal and interest was
to become due and payable. The Growth Capital Loan allowed voluntary prepayment
of all, but not part, of the outstanding principal at any time prior to the
maturity date, subject to a prepayment fee of 1.00% of the outstanding balance
if prepaid in months one through 12 of the loan term. In addition to the final
payment, we paid an amount equal to 2.75% of each principal amount drawn under
the Growth Capital Loan.

In connection with the Growth Capital Loan, we issued a warrant to purchase
65,502 shares of common stock to TriplePoint at an exercise price of $9.16 per
share. We recorded the issuance-date fair value of the warrant of $0.6 million
and fees paid to TriplePoint of $0.3 million as a debt discount, which was
amortized over the term of the Growth Capital Loan using the effective interest
method. Upon issuance, the Growth Capital Loan had an effective interest rate of
15.23% per year. On August 14, 2019, we paid off the Growth Capital Loan in its
entirety. Interest expense for the three and nine months ended September 30,
2019 was $0.3 million and $1.0 million, respectively. The warrant for 65,502
shares was exercised under a net share settlement method for 39,415 shares
during the third quarter of 2020.

Our short-term investments portfolio is primarily invested in highly rated securities, with the primary objective of minimizing the potential risk of principal loss. Our investment policy generally requires securities to be investment grade and limits the amount of credit exposure to any one issuer.


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During the nine months ended September 30, 2020, cash used in operating activities of $40.1 million was a result of $27.9 million of net loss and the net negative change in operating assets and liabilities of $22.3 million, partially offset by non-cash adjustments to net income of $10.1 million.

During the nine months ended September 30, 2019, cash used in operating activities of $20.5 million was a result of $18.4 million of net loss and the net negative change in operating assets and liabilities of $13.1 million, partially offset by non-cash adjustments to net income of $11.0 million.



During the nine months ended September 30, 2020, cash used in investing
activities was $2.0 million primarily due to $2.4 million acquisitions of
property and equipment used for our sequencing and data analysis services,
partially offset by $0.4 million in net proceeds from available-for-sale debt
securities. Cash provided by financing activities of $120.3 million during the
same period consisted of $117.5 million net proceeds from our follow-on
offering, $2.3 million proceeds from stock option exercises and $0.6 million
proceeds from ESPP purchases, partially offset by $0.1 million payments in
offering costs.

During the nine months ended September 30, 2019, cash used in investing
activities was $46.7 million, which consisted of $40.2 million purchases of
available-for-sale debt securities and $6.5 million acquisitions of property and
equipment used for our sequencing and data analysis services. Cash provided by
financing activities of $134.5 million during the same period consisted of
$144.0 million net proceeds from our IPO, $20.0 million proceeds from the
issuance of the Growth Capital Loan, and $0.7 million proceeds from stock option
exercises, partially offset by $25.0 million in debt repayments, $3.9 million in
payment of costs related to our IPO, $0.8 million in debt extinguishment costs,
and $0.5 million in borrowing costs.

Investments in Property and Equipment



Our capital expenditures were $2.4 million during the nine months ended
September 30, 2020, which was primarily related to the acquisition of property
and equipment used to support our development initiatives and our sequencing and
data analysis services. We expect that our full year 2020 capital expenditures
will be lower than prior year capital expenditures at the end of this year.

Debt

We previously entered into various forms of convertible debt and revolving loans to finance our operations prior to our IPO. After our IPO, we paid off all remaining debt and now have zero outstanding debt balances.



Further information regarding our debt issuances can be found in Part I, Item 1
of this Quarterly Report on Form 10-Q in the Notes to Condensed Consolidated
Financial Statements in Note 6-Borrowings.

Contractual Obligations

As a smaller reporting company, we are not required to provide this disclosure.

Off-balance Sheet Arrangements

We did not have any off-balance sheet arrangements as of September 30, 2020.

Critical Accounting Policies and Estimates



Our condensed consolidated financial statements are prepared in accordance with
U.S. GAAP. The preparation of these condensed consolidated financial statements
requires us to make estimates and assumptions that affect the reported amounts
of assets, liabilities, revenues, costs and expenses, and related disclosures.
Our estimates are based on our historical experience and on various other
factors that we believe are reasonable under the circumstances, the results of
which form the basis for making judgments about the carrying value of assets and
liabilities that are not readily apparent from other sources. Actual results may
differ from these estimates under different assumptions or conditions.

An accounting policy is deemed to be critical if it requires an accounting
estimate to be made based on assumptions about matters that are highly uncertain
at the time the estimate is made, if different estimates reasonably could have
been used, or if changes in the estimate that are reasonably possible could
materially impact the financial statements. We believe that the assumptions and
estimates associated with revenue recognition, the valuation of common stock
warrants and convertible preferred stock warrants, convertible instruments,
stock-based compensation, and income taxes have the greatest potential impact on
our condensed consolidated financial statements. Therefore, we consider these to
be our critical accounting policies and estimates.

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There have been no material changes to our critical accounting policies and
estimates as compared to the critical accounting policies and estimates
described in our Annual Report on Form 10-K for the fiscal year ended December
31, 2019 under the caption "Critical Accounting Policies and Estimates" in
Management's Discussion and Analysis of Financial Condition and Results of
Operations, set forth in Part II, Item 7, except for a new estimate in
connection with a performance-based stock option granted to our Chief Executive
Officer in the first quarter of 2020 as described below.

Stock-Based Compensation



Pursuant to our 2019 Equity Incentive Plan (the "2019 Plan"), in March 2020, our
board of directors granted our Chief Executive Officer a performance-based stock
option ("PSO") to purchase 421,000 shares of our common stock. The PSO is
subject to the Chief Executive Officer's continued service to us through the
date of vesting and if the performance condition is not met within 10 years from
the date of grant, the PSO will be canceled. The shares subject to the PSO will
vest in full if our average market capitalization is equal to or greater than $1
billion over a 30 calendar day period. Upon a change in control, the vesting of
the shares subject to the PSO will accelerate on a pro rata basis based on the
price per share in such change in control transaction multiplied by the price
per share at such time divided by $1 billion, with up to 100% of the shares
eligible for such accelerated vesting.

We used a Monte Carlo Model to estimate fair value of the award. The assumptions used in calculating the estimated values of the PSO were as follows:





                                                        2020
                   Performance period (in years)         10.00
                   Derived service period (in years)     4.55
                   Volatility                          63.60%
                   Risk-free interest rate              1.02%
                   Dividend yield                        -%
                   Estimated fair value (per share)    $ 3.31




See Note 2-Summary of Significant Accounting Policies and Note 9-Stock-Based
Compensation in the notes to the condensed consolidated financial statements
included in Part I, Item 1, of this Quarterly Report on Form 10-Q for additional
information.

JOBS Act Accounting Election

We are an emerging growth company, as defined in the Jumpstart Our Business
Startups Act (the "JOBS Act"). Under the JOBS Act, emerging growth companies can
delay adopting new or revised accounting standards issued subsequent to the
enactment of the JOBS Act until such time as those standards apply to private
companies. We have irrevocably elected not to avail ourselves of this exemption
from new or revised accounting standards, and therefore, we will be subject to
the same new or revised accounting standards as other public companies that are
not emerging growth companies.

Recent Accounting Pronouncements

See the section titled "Summary of Significant Accounting Policies-Recent Accounting Pronouncements" in Note 2 to our unaudited condensed consolidated financial statements for additional information.


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