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Stockholders' Equity | 12 Months Ended
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Dec. 31, 2020
Equity [Abstract] |
Stockholders' Equity | Note 10. Stockholders’ Equity Public Offering of Common Stock In January 2020, the Company issued and sold 16,866,667 shares of common stock, par value $0.001 per share, at $3.75 per share in an underwritten public offering. The total proceeds from this offering were approximately $62.7 million, net of the underwriting discount and other issuance costs. Sales Agreements On August 4, 2017, the Company entered into Amendment No. 3 to the Controlled Equity Offering SM Sales Agreement with Cantor Fitzgerald & Co. (as amended on August 4, 2017, the “Amended Cantor Agreement”). Under the Amended Cantor Agreement, Cantor also acted as the Company’s sales agent and receives compensation based on an aggregate of 2% of the gross proceeds on the sale price per share of its common stock. The issuance and sale of these shares by the Company pursuant to the Amended Cantor Agreement are deemed an “at-the-market” offering and are registered under the Securities Act of 1933, as amended. During the year ended December 31, 2020, 2.5 million shares of the Company’s common stock were sold under the Amended Cantor Agreement for net proceeds of $13.9 million, after which time the Amended Cantor Agreement was fully utilized and automatically terminated. On December 11, 2020, the Company entered into the Controlled Equity Offering SM Sales Agreement (the “Sales Agreement”) with Cantor Fitzgerald & Co. and Stifel, Nicolaus & Company, Incorporated (the “Sales Agents”), under which the Company may issue and sell from time to time up to $100.0 million of the Company’s common stock through or to the Sales Agents, as sales agent or principal. Under the Sales Agreement, each Sales Agent receives compensation based on an aggregate of 2% of the gross proceeds on the sale price per share of its common stock. The issuance and sale of these shares by the Company pursuant to the Sales Agreement are deemed an “at-the-market” offering and are registered under the Securities Act of 1933, as amended. During the year ended December 31, 2020, no shares of the Company’s common stock were sold under the Sales Agreement.

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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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