The following management's discussion and analysis should be read in conjunction with the unaudited consolidated financial statements included elsewhere in this Quarterly Report and with our historical consolidated financial statements, and the related notes thereto, included in our Annual Report on Form 10-K for the year ended December 31, 2019 (the "2019 Annual Report"). The management's discussion and analysis contains forward-looking statements within the meaning of the safe harbor provisions under Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended (the "Exchange Act"). These statements include statements made regarding our commercialization strategy, future operations, cash requirements and liquidity, capital requirements, and other statements on our business plans and strategy, financial position, and market trends. In some cases, you can identify forward-looking statements by terms such as "may," "might," "will," "should," "believe," "plan," "intend," "anticipate," "target," "estimate," "expect," and other similar expressions. These forward-looking statements are subject to risks and uncertainties that could cause actual results or events to differ materially from those expressed or implied by the forward-looking statements in this Quarterly Report, including factors such as our ability to raise substantial additional capital to finance our planned operations and to continue as a going concern; our ability to execute our strategy and business plan; our ability to obtain regulatory approvals for our products, including the Neuro-Spinal Scaffold™; our ability to successfully commercialize our current and future product candidates, including the Neuro-Spinal Scaffold; the progress and timing of our development programs; market acceptance of our products; our ability to retain management and other key personnel; our ability to promote, manufacture, and sell our products, either directly or through collaborative and other arrangements with third parties; the impact of the COVID-19 outbreak and our response to it; and other factors detailed under "Risk Factors" in Part II, Item 1A of this Quarterly Report. These forward-looking statements speak only as of the date hereof. We do not undertake any obligation to update forward-looking statements to reflect events or circumstances occurring after the date of this Quarterly Report, except as required by law.

The discussion and analysis of our financial condition and results of operations are based on our consolidated financial statements, which we have prepared in accordance with U.S. generally accepted accounting principles. The preparation of these consolidated financial statements requires us to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the consolidated financial statements, as well as the reported revenues and expenses during the reporting periods. On an ongoing basis, we evaluate such estimates and judgments, including those described in greater detail below. We base our estimates on 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.

All share amounts presented in this Item 2 are retroactively adjusted to give effect to the 1-for-30 reverse stock split of our outstanding shares of common stock, par value $0.00001 per share ("common stock"), that occurred on February 11, 2020.





Overview



We are a research and clinical-stage biomaterials and biotechnology company with a focus on treatment of spinal cord injuries, or SCIs. Our approach to treating acute SCIs is based on our investigational Neuro-Spinal Scaffold™ implant, a bioresorbable polymer scaffold that is designed for implantation at the site of injury within a spinal cord and is intended to treat acute SCI. The Neuro-Spinal Scaffold implant incorporates intellectual property licensed under an exclusive, worldwide license from Boston Children's Hospital, or BCH, and the Massachusetts Institute of Technology, or MIT. We also plan to evaluate other technologies and therapeutics that may be complementary to our development of the Neuro-Spinal Scaffold implant, such as stem cells, therapeutics or electrical stimulation, including in combination with learnings applied from our Neuro-Spinal Scaffold implant or technologies that offer the potential to bring us closer to our goal of redefining the life of the SCI patient.

The current standard of care for acute management of spinal cord injuries focuses on preventing further injury to the spinal cord. However, the current standard of care does not address repair of the spinal cord.


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Our Clinical Program


We currently have one clinical development program for the treatment of acute SCI.

Neuro-Spinal Scaffold Implant for acute SCI

Our Neuro-Spinal Scaffold implant is an investigational bioresorbable polymer scaffold that is designed for implantation at the site of injury within a spinal cord. The Neuro-Spinal Scaffold implant is intended to promote appositional, or side-by-side, healing by supporting the surrounding tissue after injury, minimizing expansion of areas of necrosis, and providing a biomaterial substrate for the body's own healing/repair processes following injury. We believe this form of appositional healing may spare white matter, increase neural sprouting, and diminish post-traumatic cyst formation.

The Neuro-Spinal Scaffold implant is composed of 2 biocompatible and bioresorbable polymers that are cast to form a highly porous investigational product:

Poly lactic-co-glycolic acid, a polymer that is widely used in resorbable

? sutures and provides the biocompatible support for Neuro-Spinal Scaffold


   implant; and



? Poly-L-Lysine, a positively charged polymer commonly used to coat surfaces in

order to promote cellular attachment.

Because of the complexity of SCIs, it is likely that multi-modal therapies will be required to maximize positive outcomes in SCI patients. In the future, we may attempt to further enhance the performance of our Neuro-Spinal Scaffold implant by multiple combination strategies involving electrostimulation devices, additional biomaterials, drugs approved by the U.S. Food and Drug Administration, or FDA, or growth factors. We expect the Neuro-Spinal Scaffold implant to be regulated by the FDA as a Class III medical device.





INSPIRE 2.0 Study


Our Neuro-Spinal Scaffold implant has been approved to be studied under our approved Investigational Device Exemption, or IDE, in the INSPIRE 2.0 Study, which is titled the "Randomized, Controlled, Single-blind Study of Probable Benefit of the Neuro-Spinal Scaffold™ for Safety and Neurologic Recovery in Subjects with Complete Thoracic AIS A Spinal Cord Injury as Compared to Standard of Care." The purpose of the INSPIRE 2.0 Study is to assess the overall safety and probable benefit of the Neuro-Spinal Scaffold for the treatment of neurologically complete thoracic traumatic acute SCI. The INSPIRE 2.0 Study is designed to enroll 10 subjects into each of the 2 study arms, which we refer to as the Scaffold Arm and the Comparator Arm. Patients in the Comparator Arm will receive the standard of care, which is spinal stabilization without dural opening or myelotomy. The INSPIRE 2.0 Study is a single blind study, meaning that the patients and assessors are blinded to treatment assignments. The FDA approved the enrollment of up to 35 patients in this study so that there would be at least 20 evaluable patients (10 in each study arm) at the primary endpoint analysis, accounting for events such as screen failures or deaths that would prevent a patient from reaching the primary endpoint visit. As of August 9, 2020, eight patients in the INSPIRE 2.0 Study have been enrolled and 17 sites are activated for enrollment. We are aware that a significant number of our clinical sites have temporarily suspended enrollment into the INSPIRE 2.0 Study at their institution due to the coronavirus pandemic. We estimate that enrollment in the INSPIRE 2.0 Study will be complete in the second quarter of 2021, with the final patient enrolled in the INSPIRE 2.0 study reaching their six-month primary endpoint visit in the fourth quarter of 2021.

The primary endpoint is defined as the proportion of patients achieving an improvement of at least 1 American Spinal Injury Association Impairment Scale ("AIS") grade at 6 months post-implantation. Assessments of AIS grade are at hospital discharge, 3 months, 6 months, 12 months and 24 months. The definition of study success for INSPIRE 2.0 is that the difference in the proportion of subjects who demonstrate an improvement of at least 1 grade on AIS assessment at the 6-month primary endpoint follow-up visit between the Scaffold Arm and the Comparator Arm must be equal to or greater than 20%. In one example, if 50% of subjects in the Scaffold Arm have an improvement of AIS grade at the 6-month primary endpoint and 30% of subjects in the Comparator Arm have an improvement, then the difference in the proportion of subjects who demonstrated an improvement is equal to 20% (50% minus 30% equals 20%) and the definition of study success would be met. In another example, if 40% of subjects in the Scaffold Arm have an


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improvement of AIS grade at the 6-month primary endpoint and 30% of subjects in the Comparator Arm have an improvement, then the difference in the proportion of subjects who demonstrated an improvement is equal to 10% (40% minus 30% equals 10%) and the definition of study success would not be met. Additional endpoints include measurements of changes in neurological level of injury, sensory levels and motor scores, bladder, bowel and sexual function, pain, Spinal Cord Independence Measure, and quality of life.

Our Neuro-Spinal Scaffold was previously studied in The INSPIRE Study: the "InVivo Study of Probable Benefit of the Neuro- Spinal Scaffold for Safety and Neurologic Recovery in Subjects with Complete Thoracic AIS A Spinal Cord Injury," under an IDE application for the treatment of neurologically complete thoracic traumatic acute SCI. Although The INSPIRE Study was structured with an Objective Performance Criterion, or the OPC as the primary component for demonstrating probable benefit, the OPC is not the only variable that the FDA would evaluate when reviewing a future human device exemption, or HDE, application. Similarly, while our INSPIRE 2.0 Study is structured with a definition of study success requiring a minimum difference between study arms in the proportion of subjects achieving improvement, that success definition is not the only factor that the FDA would evaluate in the future HDE application. Approval is not guaranteed if the OPC is met for The INSPIRE Study or the definition of study success is met for the INSPIRE 2.0 Study, and even if the OPC or definition of study success are not met, the FDA may approve a medical device if probable benefit is supported by a comprehensive review of all clinical endpoints and preclinical results, as demonstrated by the sponsor's body of evidence.

In 2016, the FDA accepted our proposed HDE modular shell submission and review process for the Neuro-Spinal Scaffold implant. The HDE modular shell is comprised of 3 modules: a preclinical studies module, a manufacturing module, and a clinical data module. As part of its review process, the FDA reviews each module, which are individual sections of the HDE submission, on a rolling basis. Following the submission of each module, the FDA reviews and provides feedback, typically within 90 days, allowing the applicant to receive feedback and potentially resolve any deficiencies during the review process. Upon receipt of all 3 modules, which constitutes the complete HDE submission, the FDA makes a filing decision that may trigger the review clock for an approval decision. We submitted the first module in March 2017 and received feedback in June 2017. We submitted an updated first module in the fourth quarter of 2019. The HDE submission will not be complete until the manufacturing and clinical modules are also submitted.





Impact of COVID-19 Outbreak



On January 30, 2020, the World Health Organization, or the WHO, announced a global health emergency because of a new strain of coronavirus originating in Wuhan, China, or the COVID-19 outbreak, and the risks to the international community as the virus spreads globally beyond its point of origin. In March 2020, the WHO classified the COVID-19 outbreak as a pandemic, based on the rapid increase in exposure globally. We are aware that a significant number of our clinical sites have temporarily suspended enrollment into the INSPIRE 2.0 Study at their institution due to the COVID-19 outbreak, and as such, the COVID-19 outbreak has affected and may continue to affect the potential for enrollment in our INSPIRE 2.0 Study as clinical sites suspend studies in order to manage the pandemic. Aside from the impact on enrollment in our INSPIRE 2.0 Study, we did not experience any significant impact from the COVID-19 outbreak on our financial condition, liquidity, other operations, suppliers, industry, and workforce for the quarter ended June 30, 2020. The full impact of the COVID-19 outbreak continues to evolve as of the date of filing this Quarterly Report on Form 10-Q. We are actively monitoring the impact of the global situation on our financial condition, liquidity, operations, suppliers, industry, and workforce, although there remains significant uncertainty related to the public health situation globally. Given the daily evolution of the COVID-19 outbreak and the global responses to curb its spread, we are not able to estimate the ultimate effects of the COVID-19 outbreak on our results of operations, financial condition, or liquidity in the future. However, as the COVID-19 outbreak continues, it will likely continue to have an adverse effect on enrollment in our INSPIRE 2.0 Study, and may also have an adverse effect on our results of future operations, financial position, and liquidity, and even after the COVID-19 outbreak has subsided, we may continue to experience adverse impacts to our business as a result of any economic recession or depression that has occurred or may occur in the future.

Critical Accounting Policies and Estimates

Our consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America. The preparation of these consolidated financial statements requires


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management to make estimates and assumptions and, in connection therewith, adopt certain accounting policies that affect the reported amounts of assets and liabilities and the disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenues and expenses during the reporting period.

On an ongoing basis, we evaluate our estimates and judgments for all assets and liabilities, stock-based compensation expense, and the fair value determined for stock purchase warrants classified as derivative liabilities. We base our estimates and judgments on historical experience, current economic and industry conditions, and on various other factors that we believe to be reasonable under the circumstances. Such factors form the basis for making judgments about the carrying values of assets and liabilities that are not readily apparent from other sources. Actual results may differ from these estimates under different assumptions or conditions. There have been no changes in our critical accounting policies and estimates from the disclosure provided in our 2019 Annual Report.

We believe that the consolidated financial statements accurately reflect our best estimate of the results of operations, financial position, and cash flows for the periods presented.





Results of Operations


Comparison of the Three Months Ended June 30, 2020 and 2019

Research and Development Expenses

Research and development expenses consisted primarily of expenses related to contract research organizations and clinical sites, professional services, and payroll. Research and development expenses for the three months ended June 30, 2020 were $0.9 million, a decrease of $776 thousand compared to the three months ended June 30, 2019. The decrease in research and development expenses for the three months ended June 30, 2020 is attributable to a decrease clinical trial costs of $592 thousand, a decrease in compensation related expenses of $179 thousand, a decrease in scaffold manufacturing costs of $43 thousand and a decrease in other net immaterial balances of $11 thousand. These decreases were partially offset by an increase in facilities and rent expense of $49 thousand.

General and Administrative Expenses

General and administrative expenses consisted primarily of payroll, rent, and professional services. General and administrative expenses for the three months ended June 30, 2020 were $1.3 million, a decrease of $277 thousand compared to the three months ended June 30, 2019. The decrease in general and administrative expenses for the three months ended June 30, 2020 is attributable primarily due to a decrease in compensation related expenses of $279 thousand. This decrease was partially offset by increases in other net immaterial balances of $2 thousand.





Other Income and Expense



Other income for the three months ended June 30, 2020 was $6 thousand, which was comprised primarily of interest income. Other income for the three months ended months ended June 30, 2019 was $104 thousand, which was comprised of miscellaneous income of $32 thousand and interest income of $72 thousand.

Comparison of the Six Months Ended June 30, 2020 and 2019

Research and Development Expenses

Research and development expenses consisted primarily of expenses related to contract research organizations and clinical sites, professional services, and payroll. Research and development expenses for the six months ended June 30, 2020 were $2.0 million, a decrease of $835 thousand compared to the six months ended June 30, 2019. The decrease in research and development expenses for the six months ended June 30, 2020 is attributable primarily due to a decrease in compensation related expenses of $268 thousand and a decrease clinical trial costs of $639 thousand. These decreases were partially offset by an increase in facilities and rent expense of $72 thousand.


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General and Administrative Expenses

General and administrative expenses consisted primarily of payroll, rent, and professional services. General and administrative expenses for the six months ended June 30, 2020 were $2.6 million, a decrease of $568 thousand compared to the six months ended June 30, 2019. The decrease in general and administrative expenses for the six months ended June 30, 2020 is attributable to a decrease in consulting costs of $360 thousand, a decrease compensation related expenses of $317 thousand and decreases in other net immaterial balances of $10 thousand. These decreases were partially offset by an increase in investor relations expenses of $119 thousand.





Other Income and Expense



Other income for the six months ended June 30, 2020 was $20 thousand, which was comprised primarily of interest income. Other income for the six months ended June 30, 2019 was $247 thousand, which was comprised of interest income of $171 thousand and other income of $76 thousand.

Liquidity and Capital Resources

Since inception, we have devoted substantially all of our efforts to business planning, research and development, recruiting management and technical staff, acquiring operating assets, and raising capital. At June 30, 2020, our accumulated deficit was $223.8 million. Since our inception, we have historically financed our operations primarily through the sale of equity-related securities.

At June 30, 2020, we had total assets of $12.7 million, total liabilities of $2.7 million, and total stockholders' equity of $10.0 million. During the six months ended June 30, 2020, we recorded a net loss of $4.6 million. We have not achieved profitability and may not be able to realize sufficient revenue to achieve or sustain profitability in the future. We do not expect to be profitable in the next several years, but rather expect to incur additional operating losses. We believe that our cash and cash equivalents on hand which includes proceeds from the two offerings that occurred in 2020 and described in more detail below, will provide necessary funding to fund operations into the second quarter of 2021. This estimate is based on assumptions that may prove to be wrong; expenses could prove to be significantly higher, leading to a more rapid consumption of our existing resources. We have limited liquidity and capital resources and must obtain significant additional capital resources in order to fund our operations and sustain our product development efforts, for acquisition of technologies and intellectual property rights, for preclinical and clinical testing of our anticipated products, pursuit of regulatory approvals, acquisition of capital equipment, laboratory and office facilities, establishment of production capabilities, for selling, general and administrative expenses and for other working capital requirements. We also expect that we will need to raise additional capital through a combination of equity offerings, debt financings, other third party funding, marketing and distribution arrangements and other collaborations, strategic alliances and licensing arrangements. Additionally, the COVID-19 outbreak could have a continued adverse impact on economic and market conditions and trigger a period of global economic slowdown, which would impair our ability to raise needed funds to continue as a going concern. Based on these factors, as of June 30, 2020, management determined that there is substantial doubt regarding our ability to continue as a going concern.

We may pursue various other dilutive and non­dilutive funding alternatives depending upon our clinical path forward and the extent to which we require additional capital to proceed with development of some or all of our product candidates on expected timelines. The source, timing and availability of any future financing will depend principally upon market conditions and the status of our clinical development programs, both of which may be negatively impacted by the COVID-19 outbreak. Funding may not be available when needed, at all, or on terms acceptable to us. Lack of necessary funds may require us to, among other things, delay, scale back or eliminate some or all of our research and product development programs, planned clinical trials, and capital expenditures or to license our potential products or technologies to third parties. We may alternatively engage in cost-cutting measures in an attempt to extend our cash resources as long as possible.





Financings Transactions


On April 15, 2020, we entered into a securities purchase agreement, or the April 2020 Purchase Agreement, with certain institutional investors, or the April 2020 Purchasers, pursuant to which we agreed to sell and issue, in a registered direct offering, an aggregate of 1,715,240 of common stock, at a purchase price per share of $1.75, or the


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April 2020 Shares, for net proceeds to us of approximately $2.6 million, after deducting fees payable to Wainwright, the placement agent for the offering, and other offering expenses payable by us, or the April 2020 Registered Offering. The April 2020 Shares were offered pursuant to a shelf registration statement on Form S-3, which was declared effective by SEC on November 14, 2019 (File No. 333-234353) and a prospectus supplement thereunder. Pursuant to the April 2020 Purchase Agreement, in a concurrent private placement, we also issued to the April 2020 Purchasers warrants (the "Series C Warrants") to purchase up to 1,715,240 shares of common stock (the "Private Placement" and together with the April 2020 Registered Offering, the "April 2020 Offerings"). The Series C Warrants are exercisable immediately at an exercise price of $1.62 per share of common stock, subject to adjustment in certain circumstances, and expire on October 17, 2025. In connection with the April 2020 Offerings, we also issued to designees of Wainwright, warrants to purchase an aggregate of 111,491 shares of our common stock, which represents a number of shares of common stock equal to 6.50% of the aggregate number of April 2020 Shares sold in the April 2020 Registered Offering, at an exercise price of $2.1875 per share with a term expiring on April 15, 2025. During the three months ended June 30, 2020, we issued an aggregate of 35,000 shares of common stock upon the exercise of certain of the Series C Warrants for aggregate proceeds of $57 thousand.

In March 2020, we completed a registered public offering, or the March 2020 Offering, in which we sold an aggregate of (i) 955,613 shares of common stock, or the Shares, at a combined public offering price of $2.75 per share and 2020 Series A Warrant (as defined below), (ii) 2020 Series B Warrants exercisable for an aggregate of 1,589,842 shares of common stock at a combined public offering price of $2.74999 per share and 2020 Series A Warrant and (iii) 2020 Series A Warrants exercisable for an aggregate of 2,545,455 shares of common stock. The Shares and the 2020 Series B Warrants were each offered together with the 2020 Series A Warrants, but the Shares and 2020 Series B Warrants were issued separately from the Series A Warrants. Each 2020 Series A warrant has an exercise price of $2.75 per share, is exercisable immediately and expires in March 2025. Each 2020 Series B warrant has an exercise price of $0.00001 per share, is exercisable immediately, and expires when exercised in full, subject to certain conditions. In connection with the March 2020 Offering, we issued Wainwright, the placement agent for the March 2020 Offering, the Wainwright March 2020 Placement Agent Warrants to purchase an aggregate of 165,455 shares of our common stock, which represents a number of shares of common stock equal to 6.5% of the aggregate number of shares of common stock and 2020 Series B Warrants sold in the March 2020 Offering. The Wainwright March 2020 Placement Agent Warrants have an exercise price of $3.4375 per share, are immediately exercisable and expire in March 2025. The net proceeds to us, after deducting Wainwright's placement agent fees and other offering expenses payable by us, were approximately $6.0 million. During the three months ended June 30, 2020, we issued an aggregate of 560,577 shares of common stock upon the exercise of certain of the pre-funded 2020 Series B warrants for an immaterial amount. During the six months ended June 30, 2020, we issued an aggregate of 1,577,114 shares of common stock upon the exercise of certain of the pre-funded 2020 Series B warrants for an immaterial amount.

In November 2019, we closed a public offering of an aggregate of 233,341 shares of our common stock, at an offering price of $3.60 per share (the offering, the "2019 Offering"). The net proceeds to us after deducting the placement agent fees and other offering expenses, were $367 thousand. In connection with the 2019 Offering, we issued to designees of Wainwright, the placement agent for the 2019 Offering, warrants, or the "Placement Agent Warrants", to purchase an aggregate of 15,168 shares of our common stock. The Placement Agent Warrants have an exercise price of $4.50 per share, are immediately exercisable and expire in November 2024. During the three and six months ended June 30, 2020, there was no exercise activity related to the Placement Agent Warrants.

In June 2018, we closed an underwritten public offering of an aggregate of 45,950 Common Units, at an offering price of $60.00 each, each comprised of 1 share of our common stock, and 1 Series A warrant to purchase 1 share of common stock. The public offering also included 208,096 pre-funded units at an offering price of $59.70 each, each comprised of 1 pre-funded Series B Warrant and 1 Series A warrant to purchase 1 share of common stock. Each Series A warrant had an exercise price of $60.00 per share, was exercisable immediately from the date of issuance and expired 5 years from the date of issuance. Each Series B warrant had an exercise price of $0.30 per share, was exercisable immediately and would have expired 20 years from the date of issuance. The net proceeds to us, after deducting the underwriting discounts and commissions and other offering expenses, were $13.5 million. We did not issue any shares as a result of either the Series A or Series B warrant exercise activity during the three months ended June 30, 2020. During the six months ended June 30, 2020 we issued an aggregate of 40,975 shares of common stock upon the exercise of certain of the Series A warrants for aggregate proceeds of $286 thousand. We did not issue any shares as a result of either the Series A or Series B warrant exercise activity during the three and six months ended June 30, 2019. There are no outstanding Series B warrants as of June 30, 2020.


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In September 2018, we entered into an Amendment to Warrant Agency Agreement and Warrants, or the Ladenburg Warrant Amendment, with Continental Stock Transfer & Trust Company, or Continental, that amended the Warrant Agency Agreement, by and between us and Continental, as Warrant Agent, dated June 25, 2018, and the Series A common stock Purchase Warrant, and the Series B Pre-Funded common stock Purchase Warrant both dated June 25, 2018, and we refer to the Series A and Series B Warrant collectively as the 2018 Warrants. See Note 10 to our Consolidated Financial Statements in Item 1 of this report for more information about the Ladenburg Warrant Amendment.

In November 2019, we entered into a Second Amendment to Warrant Agency Agreement and Warrants, or "the Second Ladenburg Warrant Amendment", by and between us and Continental, as Warrant Agent, dated November 21, 2019, that amended the Series A warrants to reflect a reduced exercise price per share of $6.98 from $60.00. See Note 10 to our Consolidated Financial Statements in Item 1 of this report for more information about the Second Ladenburg Warrant Amendment.

In January 2018, we entered into a purchase agreement (the "Purchase Agreement") and a registration rights agreement (the "RRA") with Lincoln Park Capital Fund, LLC, which we refer to as Lincoln Park, under which we had the right to sell up to $15 million in shares of our common stock to Lincoln Park over a 24-month period, subject to certain limitations and conditions set forth in the Purchase Agreement and RRA. On May 30, 2018 at our 2018 Annual Meeting of Stockholders, our stockholders approved an increase to the number of shares of common stock available for issuance and sale by us to Lincoln Park, including our prior issuances and sales of shares of common stock to Lincoln Park since January 2018, up to 40,000 shares of common stock. In accordance with the terms of the Purchase Agreement, at the time we signed the Purchase Agreement and the RRA, we issued 574 shares to Lincoln Park as consideration for its commitment to purchase shares of our common stock under the purchase agreement and recorded $627 thousand in deferred offering costs of which the full amount was capitalized into additional paid-in capital as of December 31, 2018. In May 2019, we terminated the Purchase Agreement with Lincoln Park.





Facility Changes


In May 2018, we assigned the Cambridge Lease to a third party, who assumed from us all of our remaining rights and obligations under the lease. Concurrently with the lease assignment, we entered into a sublease for 5,104 square feet of the space, originally part of the Cambridge Lease, from the third party to which we assigned the lease. The sublease ends on October 31, 2023 and contains rent holidays and rent escalation clauses. In order to obtain the consent of our lender for these facility changes and the sale of certain assets, we repaid $300 thousand of principal on our loan and recorded an impairment charge of $48 thousand. On January 1, 2019 we adopted ASU No. 2016-02, Leases (Topic 842). The adoption of this standard resulted in the recognition of operating lease liabilities and right-of-use assets of $1.5 million and $1.5 million, respectively, on our consolidated balance sheet. For more information, see Notes 1 and 5 to the notes to our unaudited Consolidated Financial Statements in Item 1 of this report.





Cashflows


Net cash used in operating activities for the six months ended June 30, 2020 was $5.7 million, as compared to net cash used in operating activities of $6.7 million for the six months ended June 30, 2019. The change in net cash used in operating activities for the six months ended June 30, 2020, as compared to the same period in the prior year was primarily due to a decrease in our net loss of $1.2 million, an increase in the change in accrued expenses and other liabilities of $15 thousand, an increase in the change in operating lease liability of $134 thousand, an increase in the change in accounts payable of $394 thousand and a decrease in the change in prepaid expenses and other assets of $365 thousand. In addition to the above operating activity, there was a net decrease in the change in non-cash activity of $22 thousand.

Net cash used in investing activities for the six months ended June 30, 2020 was $23 thousand related to the purchase of computer equipment. The Company did not generate or use cash in investing activities during the six months ended June 30, 2019.





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Net cash generated by financing activities for the six months ended June 30, 2020, was $8.9 million consisting of $8.6 million in proceeds from the issuance of common stock associated with the Offerings in 2020 and $343 thousand in proceeds from the exercise of warrants. This compares to net cash used by financing activities of $99 thousand for the six months ended June 30, 2019 consisting primarily $100 thousand in loan repayments and offset by employee stock purchase plan issuances of $1 thousand.

Off-Balance Sheet Arrangements

We do not have any off-balance sheet arrangements that have or are reasonably likely to have a current or future material effect on our financial condition, changes in financial condition, revenues or expenses, results of operations, liquidity, capital expenditures, or capital resources.





Contractual Obligations


As of June 30, 2020, there were no material changes to our contractual obligations and commitments described under Management's Discussion and Analysis of Financial Condition and Results of Operations in the 2019 Annual Report.

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