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Stockholders' Equity | 6 Months Ended
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Jun. 30, 2020
Stockholders' Equity Note [Abstract] |
Shareholders' Equity | STOCKHOLDERS’ EQUITY 1-for-5 Reverse Stock Split At the Company’s annual meeting of stockholders held on December 17, 2019, the Company’s stockholders approved a form of the Certificate of Amendment to the Certificate of Incorporation and authorized our board of directors to amend the Certificate of Incorporation to effect a reverse stock split of the outstanding shares of the Company’s common stock at a ratio ranging from any whole number of at least 1-for-2 and up to 1-for-20, with the exact ratio within the foregoing range to be determined by the board of directors in its sole discretion. On June 2, 2020, our board of directors determined to set the Split Ratio. The Certificate of Amendment to our Certificate of Incorporation was filed with the Secretary of State of the State of Delaware on June 11, 2020, upon which the reverse stock split became effective immediately (the “Effective Time”). At the Effective Time, every five shares of common stock issued and outstanding automatically combined into one validly issued, fully paid and non-assessable share of common stock. No fractional shares were issued as a result of the reverse stock split. The fractional shares were settled in cash in an amount not material to the Company. The $0.0001 par value per share of common stock and other terms of the common stock were not affected by the reverse stock split. The number of authorized shares of common stock under the Certificate of Incorporation remained unchanged at 50,000,000 shares. The current financial statements as well as prior period’s financial statements have been retroactively adjusted to reflect the reverse stock split. Our outstanding shares of restricted stock and shares underlying our options and warrants entitling the holders to purchase shares of common stock have been adjusted as a result of the reverse stock split, as required by the terms of these securities. Also, the number of shares reserved for issuance under our existing 2014 Stock Incentive Plan, as amended, and our 2013 Employee Stock Purchase Plan were reduced proportionately based on the Split Ratio. Preferred shares outstanding were not affected by the reverse stock split and as such, those shares have not been adjusted. The reverse stock split was effected solely to increase the per share trading price of the common stock to satisfy the $1.00 minimum bid price requirement pursuant to Nasdaq Marketplace Rule 5550(a)(2) for continued listing on Nasdaq. The common stock began trading on Nasdaq on a split-adjusted basis at the opening of trading on June 12, 2020. Preferred Stock Pursuant to the terms of the Convertible Notes, on January 16, 2020 following approval by our stockholders of certain amendments to our certificate of incorporation, the principal amount of all of the Convertible Notes and the accumulated interest thereon in the amount of $1.8 million converted at a conversion price of $0.67 per share into an aggregate of 2,709,018 shares of the Company’s Series A Convertible Preferred Stock, par value $0.0001 per share, which is convertible on a one-for-five basis into shares of our common stock. During the second quarter of 2020, 111,548 of the Series A Preferred Stock were converted into 22,310 shares of common stock. The Series A Preferred Stock was created by the filing of a Certificate of Designation with the Secretary of State of the State of Delaware on March 29, 2019, which authorized 2,000,000 shares of Series A Preferred Stock (“Original Series A Certificate of Designation”). The Original Series A Certificate of Designation was amended on January 15, 2020 following stockholder approval to increase the number of authorized shares of Series A Preferred Stock to 5,000,000 (the Original Series A Certificate of Designation as so amended, the “Series A Certificate of Designation”). Of the 5,000,000 Series A Preferred Stock, 3,300,000 shares were further designated as Series A Convertible Preferred Stock. Pursuant to the Series A Certificate of Designation, each holder of outstanding shares of Series A Preferred Stock is entitled to vote with holders of outstanding shares of common stock, voting together as a single class, with respect to any and all matters presented to the stockholders of the Company for their action or consideration, except as provided by law. In any such vote, each share of Series A Preferred Stock shall be entitled to a number of votes equal to 11.07% of the number of shares of common stock into which such share of Series A Preferred Stock is convertible. The Series A Preferred Stock (a) has a preference upon liquidation equal to $0.67 per share and then participates on an as-converted basis with the common stock with respect to any additional distributions, (b) shall receive any dividends declared and payable on our common stock on an as-converted basis, and (c) is convertible at the option of the holder into shares of our common stock on a one-for-five basis. We also filed a Certificate of Elimination with respect to its authorized, but unissued, Series A Participating Preferred Stock, to return such shares to the status of preferred stock available for designation as the Series A Preferred Stock. The purchase agreement related to the Convertible Notes contain customary representations and warranties and provide for resale registration rights with respect to the shares of our common stock issuable upon conversion of the Series A Preferred Stock. January 2020 Equity Offering Issuance of Common Stock and Warrants In January 2020, we completed a registered direct offering for the sale of 688,360 shares of our common stock to certain institutional investors, at a purchase price of $3.37 per share. We also sold, to the same institutional investors, warrants to purchase up to 688,360 shares of common stock at an exercise price of $3.37 per share in a concurrent private placement for a purchase price of $0.625 per warrant. We paid the placement agent commissions of $193 thousand plus $50 thousand in expenses in connection with the registered direct offering and the concurrent private placement and we also paid legal, accounting and other fees of $231 thousand related to the offering. Total offering costs of $474 thousand have been presented as a reduction of additional paid-in capital and have been netted within equity. In addition, we issued warrants to the placement agent to purchase up to 48,185 shares of common stock at an exercise price of $4.99 per share. Net proceeds to us from the sale of common stock and warrants were approximately $2.3 million. In accordance with the terms of the Iliad Note, 10% of the gross proceeds from the January 2020 Equity Offering ($275 thousand) were used to make payments on the Iliad Note, of which $226 thousand went towards the outstanding principal amount and the balance to interest. Warrants to purchase an aggregate of 721,546 shares remain outstanding at June 30, 2020 with a weighted average exercise price of $3.48 per share. The exercise of warrants could provide us with cash proceeds of $2.5 million if all warrants are exercised. During the six months ended June 30, 2020, 15 thousand warrants were exercised resulting in total proceeds of $51 thousand. As of June 30, 2020, we had the following outstanding non-tradeable, registered warrants to purchase shares of common stock:
| Number of Underlying Shares |  | Exercise Price |  | Expiration
Investor Warrants | 673,361 |  | $3.3700 |  | January 13, 2025
Placement Agent Warrants | 48,185 |  | $4.9940 |  | January 13, 2025
| 721,546 |  |  |  |
Warrant Liabilities We account for common stock warrants as either liabilities or as equity instruments depending on the specific terms of the warrant agreement. Common stock warrants that could require cash settlement are accounted for as liabilities. We classify these warrant liabilities on the consolidated balance sheet as a current liability. The warrant liabilities are revalued at fair value at each balance sheet date subsequent to the initial issuance. Changes in the fair market value of the warrant are reflected in the consolidated statement of operations as income (expense) based upon the change in fair value of warrants. The warrants we issued in the January 2020 registered direct offering contain a provision for a cash payment in the event that the shares are not delivered to the holder within two trading days. The cash payment equals $10 per day per $1,000 of warrant shares for each day late. The warrants issued in the January 2020 private placement also contain a provision for net cash settlement in the event that there is a fundamental transaction (e.g., merger, sale of substantially all assets, tender offer, or share exchange). If a fundamental transaction occurs in which the consideration issued consists of all cash or stock in a non-public company, then the warrant holder has the option to receive cash equal to a Black-Scholes value of the remaining unexercised portion of the warrant. The warrants have been classified as liabilities, as opposed to equity, due to the potential adjustment to the exercise price that could result upon late delivery of the shares or potential cash settlement upon the occurrence of certain events as described above, and are recorded at their fair values at each balance sheet date. Stock-based compensation Stock-based compensation expense is attributable to stock options and restricted stock unit awards. For all stock-based awards, we recognize expense using a straight-line amortization method. The following table summarizes stock-based compensation expense and the impact it had on operations for the periods presented (in thousands):
| Three months ended June 30, |  |  |  | Six months ended June 30, |  |
| 2020 |  | 2019 |  | 2020 |  | 2019
Cost of sales | $ | — |  |  | $ | — |  |  | $ | 1 |  |  | $ | 7 |
Product development | 1 |  |  | (6) |  |  | 2 |  |  | 22 |
Selling, general, and administrative | 40 |  |  | (14) |  |  | 58 |  |  | 494 |
Total stock-based compensation | $ | 41 |  |  | $ | (20) |  |  | $ | 61 |  |  | $ | 523 |
Total unearned stock-based compensation was $0.2 million at June 30, 2020, compared to $0.1 million at June 30, 2019. These costs will be charged to expense and amortized on a straight-line basis in future periods. The weighted average period over which the unearned compensation at June 30, 2020 is expected to be recognized is approximately 2.9 years. Stock options The fair value of each stock option is estimated on the date of grant using the Black-Scholes option pricing model. Estimates utilized in the calculation include the expected life of the option, risk-free interest rate, and expected volatility, and are further detailed below. There were no options issued the six months ended June 30, 2019.
| Six months ended June 30, |  |
| 2020 |  |
Fair value of options issued | $ | 1.18 |  |  |
Exercise price | $ | 1.55 |  |  |
Expected life of options (in years) | 6.2 |  |
Risk-free interest rate | 0.8 | % |  |
Expected volatility | 92.9 | % |  |
Dividend yield | 0.0 | % |  |
A summary of option activity under all plans for the six months ended June 30, 2020 is presented as follows:
| Number of Options* |  | Weighted Average Exercise Price Per Share |  | Weighted Average Remaining Contractual Life (in years)
Balance at December 31, 2019 | 155,031 |  |  | $ | 5.23 |  |  |
Granted | 89,400 |  |  | 1.55 |  |  |
Canceled/forfeited | (16,921) |  |  | 11.34 |  |  |
Balance at June 30, 2020 | 227,510 |  |  | $ | 3.33 |  |  | 7.8
Vested and expected to vest at June 30, 2020 | 174,271 |  |  | $ | 3.77 |  |  | 7.8
Exercisable at June 30, 2020 | 12,370 |  |  | $ | 27.75 |  |  | 4.6
*Options have been restated for the 1-for-5 reverse stock split |  |  |  |  |
Restricted stock units A summary of restricted stock unit activity under all plans for the six months ended June 30, 2020 is presented as follows:
| Restricted Stock Units* |  | Weighted Average Grant Date Fair Value |  | Weighted Average Remaining Contractual Life (in years)
Balance at December 31, 2019 | 6,603 |  |  | $ | 13.17 |  |  |
Granted | 16,000 |  |  | 1.50 |  |  |
Released | (4,068) |  |  | 13.65 |  |  |
Canceled/forfeited | (1) |  |  | 12.40 |  |  |
Balance at June 30, 2020 | 18,534 |  |  | $ | 2.99 |  |  | 8.5
*Restricted stock units have been restated for the 1-for-5 reverse stock split |  |  |  |  |

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- Definition The entire disclosure for shareholders' equity and share-based payment arrangement. Includes, but is not limited to, disclosure of policy and terms of share-based payment arrangement, deferred compensation arrangement, and employee stock purchase plan (ESPP). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -URI http://asc.fasb.org/topic&trid=2228938 + Details
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