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Stockholders' Equity | 3 Months Ended
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Mar. 31, 2022
Stockholders' Equity Note [Abstract] |
Stockholders' Equity |
(9) | Stockholders’ Equity
Authorized Shares The Company is authorized to issue 40,000,000 shares of common stock, $0.01 par value, and 10,000,000 shares of preferred stock, $0.01 par value. To date, the Company has designated the following preferred stock: Series A (4,200 shares), Series B (2,360 shares), Series C (590 shares), Series D (10,000 shares), Series E (40,000 shares) and Series E-1 (12,960 shares). Preferred Stock As of March 30, 2022, there were an aggregate of 11,707 shares of Series E and Series E-1 Convertible Preferred Stock outstanding. Omnibus Equity Incentive Plan On September 30, 2020, the Company’s 2020 Omnibus Equity Incentive Plan (the “2020 Plan”) was adopted by the Company’s Board of Directors. On November 23, 2020, the Company’s stockholders approved the 2020 Plan. The 2020 Plan will continue in effect until the tenth anniversary of the date of its adoption by the Board or until earlier terminated by the Board. The 2020 Plan is administered by the Board of Directors or a committee designated by the Board of Directors. The 2020 Plan provides for the grant of incentive stock options, non-qualified stock options, stock appreciation rights, restricted stock awards, restricted stock unit awards, performance awards, as well as other stock-based awards or cash awards that are deemed to be consistent with the purposes of the plan to Company employees, directors and consultants. As of March 31, 2022, there are 2,475,000 shares of common stock reserved under the 2020 Plan, of which 737,957 remained available to be issued. Employee Stock Purchase Plan In August 2021, the Company’s Board of Directors, with shareholder approval in May 2022, adopted the Employee Stock Purchase Plan (ESPP). The Company ESPP’s plan provides for a maximum of 260,295 shares of common stock to be purchased by participating employees. Employees who elect to participate in the Company’s ESPP will be able to purchase common stock at the lower of 85% of the fair market value of common stock on the first or last day of the applicable six-month offering period. Equity Offerings and Placements At-the-Market Offering On August 18, 2020, the Company entered into a sales agreement with Cantor Fitzgerald & Co. (“Cantor Fitzgerald”), pursuant to which the Company may offer and sell, from time to time, through Cantor Fitzgerald, as sales agent or principal, shares of the Company’s common stock, (the “Placement Shares”), having an aggregate offering price of up to $10.0 million (the “ATM Offering”). The Company has no obligation to sell any Placement Shares under the sales agreement. Subject to the terms and conditions of the sales agreement, Cantor Fitzgerald is required to use commercially reasonable efforts, consistent with its normal trading and sales practices, applicable state and federal law, rules and regulations and the rules of the Nasdaq Stock Market, to sell Placement Shares from time to time based upon the Company’s instructions, including any price, time or size limits specified by the Company. The Company will pay Cantor Fitzgerald a commission of 3.0% of the aggregate gross proceeds from each sale of Placement Shares, reimburse Cantor Fitzgerald’s legal fees and disbursements up to $50,000 and provide Cantor Fitzgerald with customary indemnification and contribution rights. The sales agreement may be terminated by Cantor Fitzgerald or the Company upon notice to the other party as provided in the sales agreement, or by Cantor Fitzgerald at any time in certain circumstances, including the occurrence of a material and adverse change in the Company’s business or financial condition that makes it impractical or inadvisable to market the Placement Shares or to enforce contracts for the sale of the Placement Shares. In connection with the ATM Offering, in consideration for a fee equal to 1.05% of the gross sales price per share sold in the ATM Offering, ROTH Capital Advisors, LLC (“Roth”) waived, solely with respect to the ATM Offering, (i) Roth’s right, pursuant to certain engagement letters dated August 14, 2019 and January 13, 2020 between Roth and the Company, to act as placement agent or underwriter with respect to offerings of the Company’s securities and to receive a minimum of 35% of the fees paid to the agents or underwriters for such offerings and (ii) the lock-up provision included in a certain underwriting agreement dated May 1, 2020 between Roth and the Company requiring the prior written consent of Roth for any offer or sale of the Company’s common stock by the Company during the 90-day period following the date of such underwriting agreement. There were no shares sold during the three months ended March 31, 2022. Stock Options The Company values stock options using the Black-Scholes option pricing model and used the following assumptions during the reporting periods:
|  | Three months ended March 31,
|  | 2022 |  | 2021 |
Expected terms (years) |  |  | 5.46 - 6.46 |  | N/A |
Expected volatility |  |  | 174.81% - 177.09 | % | N/A |
Risk-free interest rate |  |  | 1.75% - 1.90 | % | N/A |
Expected dividends |  |  | 0.00 | % | N/A |
The weighted average estimated fair value of the stock options granted during the three months ended March 31, 2022 was approximately $6.86 per share. The following is a summary of stock option activity for the three months ended March 31, 2022:
|  | Number of Option |  |  | Weighted Average Exercise Price Per Share |  |  | Weighted Average Remaining Contractual Term (in years) |  |  | Aggregate Intrinsic Value |
Outstanding at January 1, 2022 |  |  | 1,732,460 |  |  | $ | 11.69 |  |  |  |  |  |  |  |  |
Granted |  |  | 549,333 |  |  |  | 7.10 |  |  |  |  |  |  |  |  |
Expired |  |  | (6,650 | ) |  |  | 10.88 |  |  |  |  |  |  |  |  |
Cancelled/Forfeited |  |  | (37,040 | ) |  |  | 10.42 |  |  |  |  |  |  |  |  |
Outstanding at March 31, 2022 |  |  | 2,238,103 |  |  | $ | 10.60 |  |  |  | 9.2 |  |  | $ | — |
Exercisable at March 31, 2022 |  |  | 766,619 |  |  | $ | 11.83 |  |  |  | 8.7 |  |  | $ | — |
The following table summarizes information for stock option shares outstanding and exercisable at March 31, 2022:
|  |  |  |  | Options Exercisable |
Range of Exercise Prices |  | Outstanding Number of Options |  |  | Weighted Average Remaining Option Term (in years) |  |  | Number of Options |
$6.61 - $9.99 |  |  | 825,256 |  |  |  | 9.2 |  |  |  | 110,389 |
$10.00 - $14.99 |  |  | 1,280,348 |  |  |  | 8.7 |  |  |  | 592,317 |
$15.00 - $24.99 |  |  | 132,000 |  |  |  | 8.5 |  |  |  | 63,414 |
$25 + |  |  | 499 |  |  |  | 6.8 |  |  |  | 499 |
|  |  | 2,238,103 |  |  |  | 8.7 |  |  |  | 766,619 |
The following is a summary of share-based compensation expense in the statement of operations for the three months ended March 31, 2022 (in thousands):
|  | Three months ended March 31, |
|  | 2022 |  |  | 2021 |
Selling, general and administrative |  | $ | 919 |  |  | $ | 1,466 |
Research and development |  |  | 503 |  |  |  | 630 |
Cost of goods sold |  |  | 52 |  |  |  | 52 |
Total |  | $ | 1,474 |  |  | $ | 2,148 |
At March 31, 2022, there was $9.2 million of aggregate unrecognized compensation expense related employee and board stock option grants. The cost is expected to be recognized over a weighted average period of 3 years. Warrants The following is a summary of warrant activity for the three months ended March 31, 2022:
|  | Warrants |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Life (in years) |
Outstanding at January 1, 2022 |  |  | 3,894,498 |  |  | $ | 9.27 |  |  |  |  |
Warrants issued |  |  | — |  |  |  | — |  |  |  |  |
Warrants exercised |  |  | — |  |  |  | — |  |  |  |  |
Warrants expired |  |  | — |  |  |  | — |  |  |  |  |
Outstanding at March 31, 2022 |  |  | 3,894,498 |  |  | $ | 9.27 |  |  |  | 3.0 |
Exercisable at March 31, 2022 |  |  | 3,894,498 |  |  | $ | 9.27 |  |  |  | 3.0 |
The following table presents information related to stock warrants at March 31, 2022
|  |  |  |  | Warrants Exercisable |
Range of Exercise Prices |  | Outstanding Number of Warrants |  |  | Weighted Average Remaining Warrant Term (in years) |  |  | Number of Warrants |
$0.01 |  |  | 283,755 |  |  |  | 3.7 |  |  |  | 283,755 |
$10.00 |  |  | 3,610,743 |  |  |  | 2.9 |  |  |  | 3,610,743 |
|  |  | 3,894,498 |  |  |  | 3.0 |  |  |  | 3,894,498 |

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 14 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 18 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 8: 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 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 18 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (h) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496171-112644 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 18 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496189-112644 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 16 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496180-112644 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=123467817&loc=SL123496158-112644 Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(e)(1)) -URI http://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 + Details
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