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Shareholders' Deficit | 6 Months Ended
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Jun. 30, 2021
Shareholders' Deficit |
Shareholders' Deficit | Note 10—Shareholders’ Deficit Common Stock and Warrants On March 1, 2021, we entered into a sales agreement to sell shares of our common stock having an aggregate offering price of up to $150.0 million, from time to time, through an “at the market” equity offering program. As of June 30, 2021, we have not sold any shares under this program. In March 2021, a cashless exercise was executed for 43,115 warrants, resulting in the issuance of 24,901 shares of our common stock. As of June 30, 2021, 200,000 warrants remained outstanding with an exercise price of $23.00 per share. The warrants expire on April 12, 2023. Amendment of 2017 Omnibus Incentive Compensation Plan (the “Plan”) At the June 11, 2021 annual meeting, shareholders approved the increase of the number of shares of common stock authorized for issuance under the Plan by 4,000,000, to bring the total number of shares of common stock authorized to 12,600,000. Interim Condensed Consolidated Statements of Shareholders’ Deficit The changes in interim balances of the components of our shareholders’ deficit are as follows: ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Additional | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Common | ​ | Paid-In | ​ | Accumulated | ​ | ​ | ​
​ |  | Stock |  | Capital |  | Deficit | ​ | Total
​ | ​ | ​ | (In thousands)
Balance January 1, 2021 | ​ | $ | 616 | ​ | $ | 751,304 | ​ | $ | (872,672) | ​ | $ | (120,752)
Exercise of stock options and warrants | ​ | ​ | 6 | ​ | ​ | 6,327 | ​ | ​ | — | ​ | ​ | 6,333
At the market offering costs | ​ | ​ | — | ​ | ​ | (241) | ​ | ​ | — | ​ | ​ | (241)
Cumulative effect of adopting ASU 2020-06 | ​ | ​ | — | ​ | ​ | (70,779) | ​ | ​ | (4,697) | ​ | ​ | (75,476)
Stock-based compensation expense | ​ | ​ | — | ​ | ​ | 3,271 | ​ | ​ | — | ​ | ​ | 3,271
Net loss | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (35,090) | ​ | ​ | (35,090)
Balance March 31, 2021 | ​ | ​ | 622 | ​ | ​ | 689,882 | ​ | ​ | (912,459) | ​ | ​ | (221,955)
Exercise of stock options | ​ | ​ | 2 | ​ | ​ | 1,133 | ​ | ​ | — | ​ | ​ | 1,135
Stock-based compensation expense | ​ | ​ | — | ​ | ​ | 3,117 | ​ | ​ | — | ​ | ​ | 3,117
Net loss | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (28,593) | ​ | ​ | (28,593)
Balance June 30, 2021 | ​ | $ | 624 | ​ | $ | 694,132 | ​ | $ | (941,052) | ​ | $ | (246,296)
​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | ​ | Additional | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Common | ​ | Paid-In | ​ | Accumulated | ​ | ​ | ​
​ |  | Stock |  | Capital |  | Deficit | ​ | Total
​ | ​ | ​ | (In thousands)
Balance January 1, 2020 | ​ | $ | 542 | ​ | $ | 625,048 | ​ | $ | (734,611) | ​ | $ | (109,021)
Exercise of stock options | ​ | ​ | 3 | ​ | ​ | 2,709 | ​ | ​ | — | ​ | ​ | 2,712
Stock-based compensation expense | ​ | ​ | — | ​ | ​ | 3,476 | ​ | ​ | — | ​ | ​ | 3,476
Net loss | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (29,031) | ​ | ​ | (29,031)
Balance March 31, 2020 | ​ | ​ | 545 | ​ | ​ | 631,233 | ​ | ​ | (763,642) | ​ | ​ | (131,864)
Exercise of stock options | ​ | ​ | — | ​ | ​ | 66 | ​ | ​ | — | ​ | ​ | 66
Stock-based compensation expense | ​ | ​ | — | ​ | ​ | 3,822 | ​ | ​ | — | ​ | ​ | 3,822
Net loss | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (33,294) | ​ | ​ | (33,294)
Balance June 30, 2020 | ​ | $ | 545 | ​ | $ | 635,121 | ​ | $ | (796,936) | ​ | $ | (161,270)
​

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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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