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Stockholders' Equity (Deficit) | 3 Months Ended
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Mar. 31, 2021
Equity [Abstract] |
Stockholders' Equity (Deficit) | NOTE 8. STOCKHOLDERS’ EQUITY (DEFICIT) Common Stock Issuances In June 2018, the Company entered into an Equity Distribution Agreement with JMP Securities as sales agent, pursuant to which it could offer and sell, from time to time, through JMP Securities, shares of its common stock having an aggregate offering price of up to $50,000. During the three months ended March 31, 2020, the Company issued and sold an aggregate of 1,292,208 shares of its common stock pursuant to the Equity Distribution Agreement and received net proceeds from such sales of $2,984 after deducting expenses of $92. The Company voluntarily terminated the Equity Distribution Agreement in January 2021. During the three months ended March 31, 2021, the Company issued a total of 167,495 shares of its common stock upon the exercise of warrants for an aggregate exercise price of $2,279 and issued an aggregate of 84,723 shares of its common stock upon exercises of warrants to purchase an aggregate of 91,833 shares of its common stock, which were effected on a net exercise basis without cash payment of the exercise price. During the three months ended March 31, 2021 and 2020, the Company issued an aggregate of 608,886 shares of its common stock and 111,427 shares of its common stock, respectively, in connection with the exercise of stock options, issuance of stock awards and vesting of restricted stock units under its stock incentive plans and purchases under its Employee Stock Purchase Plan (the “ESPP”). During the three months ended March 31, 2021, the Company issued an aggregate of 15,828 shares of its common stock for services provided to the Company.

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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 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 Reference 2: 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 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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