XML 30 R17.htm IDEA: XBRL DOCUMENT
v3.21.1

Stockholders' Equity | 12 Months Ended
--- | ---
Dec. 31, 2020
Stockholders' Equity |
Stockholders' Equity | (11) Stockholders’ Equity Common Stock In November 2020, the Company filed an automatic shelf registration statement with the Securities and Exchange Commission to register for sale any combination of the types of securities described in the shelf registration statement. In May 2016, the Company entered into a controlled equity offering sales agreement with Cantor Fitzgerald & Co. (“Cantor”) to allow the Company to issue and sell shares of its common stock from time to time through Cantor, acting as agent. During the years ended December 31, 2020, 2019 and 2018, the Company issued 7.1 million, 5.0 million and 2.7 million shares of its common stock, respectively, under the agreement with Cantor resulting in net proceeds to the Company of $29.4 million, $16.2 million and $29.0 million, respectively, after deducting commission and offering expenses. At December 31, 2020, the Company had $50.0 million remaining in aggregate gross offering price available under the Company’s November 2020 prospectus supplement. In June 2020, the Company issued 15,384,614 shares of its common stock in an underwritten public offering resulting in net proceeds to the Company of $141.4 million, after deducting underwriting fees and offering expenses. Convertible Preferred Stock At December 31, 2020, the Company had authorized 3,000,000 shares of preferred stock all of which have been designated Class C Preferred Stock including 350,000 shares which have been designated Series C‑1 Junior Participating Cumulative Preferred Stock (the “Series C‑1 Preferred Stock”). No shares of Series C-1 Preferred Stock were outstanding at December 31, 2020 or 2019.

X
- References No definition available. + Details
Name: | us-gaap_StockholdersEquityNoteAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI http://asc.fasb.org/topic&trid=2208762 + Details
Name: | us-gaap_StockholdersEquityNoteDisclosureTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration