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Stockholders' Equity | 6 Months Ended
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Jun. 30, 2017
Equity [Abstract] |
Stockholders' Equity | Note 9. Stockholders’ Equity Sales Agreement On May 5, 2016, the Company entered into Amendment No. 2 to the Controlled Equity OfferingSM Sales Agreement, dated August 31, 2012, as previously amended on March 21, 2014, (together, the “Amended Cantor Agreement”) with Cantor Fitzgerald & Co. (“Cantor”) that provides for the issuance and sale of shares of the Company’s common stock over the term of the Amended Cantor Agreement having an aggregate offering price of up to $132.2 million through Cantor. As a result of Amendment No. 2, at May 5, 2016, the Company had $70 million of common stock available to be sold under the Amended Cantor Agreement. Under the Amended Cantor Agreement, Cantor also acts 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 six months ended June 30, 2017, 4.2 million shares of the Company’s common stock were sold under the Amended Cantor Agreement for net proceeds of $10.7 million. At June 30, 2017, the Company had $51.4 million of common stock available to be sold under the Amended Cantor Agreement. See Note 14 regarding Amendment No. 3 to the Amended Cantor Agreement to increase the amount of common stock available to be sold thereunder.

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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/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
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