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Summary of Significant Accounting Policies | 6 Months Ended
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Jun. 30, 2016
Accounting Policies [Abstract] |
Summary of Significant Accounting Policies | Note 1. Summary of Significant Accounting Policies Nature of Business StemCells, Inc., a Delaware corporation, is a biopharmaceutical company that operates in one segment, the research, development, and commercialization of stem cell therapeutics and related technologies. The accompanying financial data as of June 30, 2016 and for the three and six months ended June 30, 2016 and 2015 have been prepared by us, without audit, pursuant to the rules and regulations of the Securities and Exchange Commission (SEC). Certain information and footnote disclosures normally included in financial statements prepared in accordance with accounting principles generally accepted in the United States (U.S. GAAP) have been condensed or omitted pursuant to these rules and regulations. The December 31, 2015 condensed consolidated balance sheet was derived from audited financial statements, but does not include all disclosures required by U.S. GAAP. However, we believe that the disclosures are adequate to make the information presented not misleading. These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and the notes thereto included in our Annual Report on Form 10-K for the fiscal year ended December 31, 2015. Wind-down of operations In May 2016, we decided to terminate our Phase II Pathway Study in spinal cord injury following an in-depth review of data from the study and after obtaining the concurrence of the study’s Interim Analysis Data Monitoring Committee. While the results showed overall improvement in patients treated with our proprietary cells, the magnitude of the effect and the perceived trend of the effect over time did not justify continuing the study or exploring the variability in the initial patient observations, given the financial resources available to us. Following this, in May 2016, our Board of Directors approved a plan to wind down our current operations, having considered the decision to terminate the Pathway Study, our available strategic alternatives and our current cash position. We are evaluating opportunities to monetize our intellectual property, including data collected in its studies and trade secrets, as well as the transfer of our proprietary HuCNS-SC cells and other assets through a potential sale. We will not proceed with our earlier plans to conduct a rights offering, for which we had filed a registration statement with the SEC. As part of the wind down of our operations, we conducted a reduction of our work force impacting all of our remaining full-time employees, consisting of approximately 50 employees and exited our facilities, as of August 1, 2016. Effective May 31, 2016, we recorded all expenses committed to the wind-down of our operations as wind-down expense. We recorded approximately $3,803,000 in wind-down expenses for the quarter ended June 30, 2016 (see Note 10, “Accrued Wind-down Expenses”). We have incurred significant operating losses since inception and have an accumulated deficit of $463,732,581 through June 30, 2016. As of June 30, 2016, we had cash and cash equivalents of approximately $2,449,000. We expect to incur additional operating losses over the foreseeable future. As of the date of this report, we have a few employees and insufficient funds to cover future company operations. We have very limited liquidity and capital resources and must obtain additional capital and other resources through additional financing or business transactions with potential to provide funds required to restart and continue operations. There are no assurances that these transactions will be realized in whole or in part. These issues, raise substantial doubt about the ability of the Company to continue as a going concern. If we exhaust our cash reserves and are unable to obtain adequate financing, we may be unable to meet our operating obligations and we may be required to initiate bankruptcy proceedings. The financial statements do not include any adjustments to reflect the possible future effects on the recoverability and classification of assets or the amounts and classification of liabilities that may result from the outcome of this uncertainty. Reverse Stock Split We effected a one-for-twelve reverse stock split on May 6, 2016. As a result of the reverse stock split, each twelve shares of our common stock automatically combined into and became one share of our common stock. Any fractional shares which would otherwise be due as a result of the reverse split were rounded up to the nearest whole share. Concurrent with the reverse stock split, we reduced the authorized number of common shares from 225 million to 200 million. The reverse stock split automatically and proportionately adjusted, based on the one-for-twelve split ratio, all issued and outstanding shares of our common stock, as well as common stock underlying stock options, warrants and other derivative securities outstanding at the time of the effectiveness of the reverse stock split. The exercise price on outstanding equity based-grants was proportionately increased, while the number of shares available under our equity-based plans was also proportionately reduced. Share and per share data (except par value) for the periods presented reflect the effects of this reverse stock split. References to numbers of shares of common stock and per share data in the accompanying financial statements and notes thereto have been adjusted to reflect the reverse stock split on a retroactive basis. Principles of Consolidation The condensed consolidated financial statements include the accounts of StemCells, Inc., and our wholly-owned subsidiaries, including StemCells California, Inc., Stem Cell Sciences Holdings Ltd, and Stem Cell Sciences (UK) Ltd (SCS). All significant intercompany accounts and transactions have been eliminated. Use of Estimates The preparation of financial statements in conformity with U.S. GAAP requires management to make judgments, assumptions and estimates that affect the amounts reported in our condensed consolidated financial statements and accompanying notes. Actual results could differ materially from these estimates. Significant estimates include the following:
| • |  | the grant date fair value of stock-based awards recognized as compensation expense (see Note 7, “Stock-Based Compensation”);
| • |  | Expenses accrued to wind-down current operations (see Note 10, “Accrued Wind-down Expenses”);
| • |  | the fair value of warrants recorded as a liability (see Note 11, “Warrant Liability”).
Financial Instruments Cash and Cash Equivalents Cash equivalents are money market accounts, money market funds and investments with maturities of 90 days or less from the date of purchase. Receivables Our receivables generally consist of interest income on our financial instruments and royalties due from licensing agreements. Warrant Liability We account for our warrants in accordance with U.S. GAAP which defines how freestanding contracts that are indexed to and potentially settled in a company’s own stock should be measured and classified. Authoritative accounting guidance prescribes that only warrants issued by us under contracts that cannot be net-cash settled, and are both indexed to and settled in our common stock, can be classified as equity. As part of our December 2011 financing, we issued Series A Warrants with a five year term to purchase 666,667 shares at $16.80 per share and Series B Warrants with a ninety trading day term to purchase 666,667 units at $15.00 per unit. Each unit underlying the Series B Warrants consisted of one share of our common stock and one Series A Warrant. In the first and second quarter of 2012, an aggregate of 225,000 Series B Warrants were exercised. For the exercise of these warrants, we issued 225,000 shares of our common stock and 225,000 Series A Warrants. The remaining 441,667 Series B Warrants expired unexercised by their terms on May 2, 2012. The Series A Warrants contain full ratchet anti-dilution price protection so that, in most situations, upon the issuance of any common stock or securities convertible into common stock at a price below the then-existing exercise price of the Series A Warrants, the Series A exercise price will be reset to the lower common stock sales price. As a result of our April 2015 financing, the exercise price of the outstanding Series A warrants were reduced from $16.80 per share to $8.40 per share. Subsequently, as a result of our sale of shares of our common stock under a sales agreement entered into in 2009 and amended in 2012, the exercise price of the outstanding Series A warrants was reduced from $8.40 per share to $6.24 per share and as a result of our March 2016 financing, the exercise price of these warrants was reduced to approximately $3.60 per share. As terms of the Series A Warrants do not meet the specific conditions for equity classification, we are required to classify the fair value of these warrants as a liability, with subsequent changes in fair value to be recorded as income (loss) due to change in fair value of warrant liability. The fair value of the Series A Warrants is determined using a Black-Scholes model (see Note 11, “Warrant Liability”). The fair value is affected by changes in inputs to these models including our stock price, expected stock price volatility, the contractual term, and the risk-free interest rate. We will continue to classify the fair value of the warrants as a liability until the warrants are exercised, expire or are amended in a way that would no longer require these warrants to be classified as a liability. The estimated fair value of our 2011 Series A warrant liability at June 30, 2016, was approximately $57,000. In March 2016, we raised gross proceeds of approximately $8,000,000 through an underwritten public offering of 2,222,250 units, at a price of $3.60 per unit, before deducting underwriting discounts and other offering expenses. Each unit consists of a fixed combination of one share of our common stock, a Series A Warrant to purchase 0.50 of a share of our common stock, and a Series B Warrant to purchase 0.75 of a share of our common stock. Each Series A Warrant has an exercise price of $3.60 per share, is immediately exercisable, and will expire two years from the date of issuance. Each Series B Warrant has an exercise price of $5.04 per share, will become exercisable upon stockholder approval of an increase in our authorized capital and the one-year anniversary of the issuance date, whichever is later, and will expire on the fifth anniversary of the date they become exercisable. In connection with the offering, we granted the underwriters a 45-day option to purchase up to an additional 333,338 shares of our common stock and/or warrants to purchase up to an additional 416,672 shares of our common stock to cover over-allotments, if any. The option was exercised in part and we issued an additional 166,473 of Series A warrants and 249,709 of Series B Warrants. The Series A and Series B Warrants contain full ratchet anti-dilution price protection for two years so that, in most situations, upon the issuance of any common stock or securities convertible into common stock at a price below the then-existing exercise price of the respective warrants, the exercise price of these warrants will be reset to the lower common stock sales price. The initial shares and warrants were offered under our effective shelf registration statement previously filed with the SEC. We intend to file a subsequent registration statement to register the common shares issuable when the Series B Warrants become exercisable. As terms of the Series A and Series B Warrants do not meet the specific conditions for equity classification, we are required to classify the fair value of these warrants as a liability, with subsequent changes in fair value to be recorded as income (loss) due to change in fair value of warrant liability. The fair value of the Series A and Series B Warrants is determined using a Black-Scholes model (see Note 11, “Warrant Liability”). The fair value is affected by changes in inputs to these models including our stock price, expected stock price volatility, the contractual term, and the risk-free interest rate. We will continue to classify the fair value of the warrants as a liability until the warrants are exercised, expire or are amended in a way that would no longer require these warrants to be classified as a liability. The estimated fair value of our warrant liability for the 2016 Series A and 2016 Series B warrants at June 30, 2016, was approximately $160,000 and $374,000 respectively. Intangible Assets Prior to fiscal year 2001, we capitalized certain patent costs, which are being amortized over the estimated life of the patent and would be expensed at the time such patents are deemed to have no continuing value. Since 2001, all patent costs are expensed as incurred. License costs are capitalized and amortized over the estimated life of the related license agreement. Revenue Recognition We currently recognize revenue resulting from the licensing and use of our technology and intellectual property. Licensing agreements may contain multiple elements, such as upfront fees, payments related to the achievement of particular milestones and royalties. Revenue from upfront fees for licensing agreements that contain multiple elements are generally deferred and recognized on a straight-line basis over the term of the agreement. Fees associated with substantive at risk performance-based milestones are recognized as revenue upon completion of the scientific or regulatory event specified in the agreement, and royalties received are recognized as earned. Revenue from licensing agreements is recognized net of a fixed percentage due to licensors as royalties. In April 2013, we entered into an agreement with the California Institute for Regenerative Medicine (CIRM) under which CIRM would have provided up to approximately $19.3 million as a forgivable loan, in accordance with mutually agreed upon terms and conditions and CIRM regulations. The CIRM loan helped fund preclinical development of our HuCNS-SC cells for Alzheimer’s disease. Between July 2013 and August 2014, we received in aggregate, approximately $9.6 million as disbursements of the loan provided under the CIRM Loan Agreement. However, in December 2014, as findings under this preclinical study in Alzheimer’s disease did not meet certain pre-determined criteria for continued funding of this program by CIRM, the parties terminated the loan agreement and we wound down this preclinical study which had been funded in part by the CIRM loan agreement. In February 2015, we repaid CIRM approximately $679,000 of the aggregate loan proceeds received. Under the terms of the CIRM loan agreement, principal amount of approximately $8,917,000 and accrued interest of approximately $243,000 were forgiven. However, authoritative accounting guidance requires certain conditions (which includes a legal release from the creditor) to be met before a liability can be extinguished and derecognized. In May 2016, we issued a letter to CIRM that constitutes notice that we elected to convert our loan into a grant pursuant to the CIRM’s Loan Administration Policy, as amended effective April 25, 2016, and as if the forgiven loan balance had been total allowable project costs funded by CIRM. In the second quarter of 2016, we re-classified the principal amount of approximately $8,917,000 as “Other income” and the accrued interest of approximately $243,000 as “Gain on extinguishment of a loan” in our Condensed Consolidated Statement of Operations. Stock-Based Compensation Compensation expense for stock-based payment awards to employees is based on their grant date fair value as calculated and amortized over their vesting period. See Note 7, “Stock-Based Compensation” for further information. We use the Black-Scholes model to calculate the fair value of stock-based awards. Per Share Data Basic net income or loss per share is computed by dividing net income or loss by the weighted average number of shares of common stock outstanding during the period. Diluted net income or loss per share is computed based on the weighted average number of shares of common stock and other dilutive securities. To the extent these securities are anti-dilutive, they are excluded from the calculation of diluted earnings per share. The following is a reconciliation of the numerators and denominators of the basic and diluted net loss per share computations:
|  | Three months ended June 30, |  |  | Six months ended June 30, |
|  | 2016 |  |  | 2015 |  |  | 2016 |  |  | 2015 |
Net Income (loss) |  | $ | 2,515,458 |  |  | $ | (8,461,714 | ) |  | $ | (7,045,947 | ) |  | $ | (17,812,415 | )
Weighted average shares outstanding used to compute basic and diluted net income or loss per share |  |  | 11,686,947 |  |  |  | 7,932,569 |  |  |  | 10,746,212 |  |  |  | 6,856,428 |
Basic and diluted net income (loss) per share |  | $ | 0.22 |  |  | $ | (1.07 | ) |  | $ | (0.66 | ) |  | $ | (2.60 | )
The following outstanding potentially dilutive securities were excluded from the computation of diluted net income or loss per share because the effect would have been anti-dilutive as of June 30:
|  | 2016 |  |  | 2015 |
Options |  |  | 27,831 |  |  |  | 230,464 |
Restricted stock units |  |  | 206,934 |  |  |  | 779,881 |
Warrants |  |  | 6,898,841 |  |  |  | 4,505,202 |
Total |  |  | 7,133,606 |  |  |  | 5,515,547 |
Comprehensive Income (Loss) Comprehensive income (loss) is comprised of net income or loss and other comprehensive income or loss (OCL). OCL includes certain changes in stockholders’ equity that are excluded from net income or loss. Specifically, when applicable, we include in OCL changes in unrealized gains and losses on foreign currency translations. Accumulated other comprehensive income was $47,274 as of June 30, 2016, and accumulated other comprehensive income was $47,359, as of December 31, 2015. Recent Accounting Pronouncements In June 2014, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) 2014-12, “Accounting for Share-Based Payments When the Terms of an Award Provide That a Performance Target Could Be Achieved after the Requisite Service Period”. The ASU requires that a performance target that affects vesting, and that could be achieved after the requisite service period, be treated as a performance condition. A reporting entity should apply existing guidance in Topic 718 as it relates to awards with performance conditions that affect vesting to account for such awards. In July 2015, the FASB voted to defer the effective date of this ASU for one year, revising the effective date for interim and annual periods beginning after December 15, 2016. Early adoption is permitted. We do not anticipate the adoption of this ASU will have a material impact on our consolidated financial statements. In August 2014, the FASB issued ASU 2014-15, “Disclosure of Uncertainties about an Entity’s Ability to Continue as a Going Concern”, which provides guidance on determining when and how reporting entities must disclose going-concern uncertainties in their financial statements. The ASU requires management to perform interim and annual assessments of an entity’s ability to continue as a going concern within one year of the date of issuance of the entity’s financial statements (or within one year after the date on which the financial statements are available to be issued, when applicable). Further, an entity must provide certain disclosures if there is “substantial doubt about the entity’s ability to continue as a going concern.” This ASU is effective for annual periods ending after December 15, 2017, and interim periods thereafter; early adoption is permitted. In January 2016, the FASB issued ASU 2016-01, “Recognition and Measurement of Financial Assets and Financial Liabilities,” The amendments in this update require all equity investments to be measured at fair value with changes in the fair value recognized through net income (other than those accounted for under equity method of accounting or those that result in consolidation of the investee). The amendments in this ASU also require an entity to present separately in other comprehensive income the portion of the total change in the fair value of a liability resulting from a change in the instrument-specific credit risk when the entity has elected to measure the liability at fair value in accordance with the fair value option for financial instruments. In addition the amendments in this ASU requires disclosure of the methods and significant assumptions used to estimate the fair value that is required to be disclosed for financial instruments measured at amortized cost on the balance sheet. This ASU is effective for fiscal years beginning after December 15, 2017. The adoption of the ASU will not have a material impact on our consolidated financial statements. In February 2016, the FASB issued ASU 2016-02, “Leases”. The amendments in this Update create Topic 842, “Leases”, and supersede the leases requirements in Topic 840, “Leases”. Topic 842 specifies the accounting for leases. The objective of Topic 842 is to establish the principles that lessees and lessors shall apply to report useful information to users of financial statements about the amount, timing, and uncertainty of cash flows arising from a lease by recognizing lease assets and lease liabilities on the balance sheet and disclosing key information about leasing arrangements. Topic 842 affects any entity that enters into a lease with some specified scope exemptions. The amendments in this Update are effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. Early adoption is permitted. We do not anticipate the adoption of this ASU will have a material impact on our consolidated financial statements.

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