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Stockholders' Equity (Tables) | 3 Months Ended
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Mar. 31, 2023
Stockholders' Equity |
Schedule of Stockholders' Equity | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | Accumulated |  | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | Additional | ​ | ​ | ​ | ​ | Other | ​ | ​ | ​
​ | ​ | Common Stock | ​ | Paid-in | ​ | Accumulated | ​ | Comprehensive | ​ | ​ | ​
​ | ​ | Shares | ​ | Amount | ​ | Capital | ​ | Deficit | ​ | Income | ​ | Total
​ | ​ | (in thousands)
Balance at December 31, 2022 |  | 51,660 | ​ | $ | 517 | ​ | $ | 1,078,180 | ​ | $ | (501,801) | ​ | $ | 928 | ​ | $ | 577,824
Net income |  | — | ​ |  | — | ​ |  | — | ​ |  | 8,741 | ​ |  | — | ​ |  | 8,741
Other comprehensive income (loss), net of tax |  | — | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | 476 | ​ |  | 476
Share-based compensation expense |  | — | ​ |  | — | ​ |  | 7,027 | ​ |  | — | ​ |  | — | ​ |  | 7,027
Net issuance under employee stock plans | ​ | 33 | ​ | ​ | — | ​ | ​ | (8,509) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (8,509)
Balance at March 31, 2023 |  | 51,693 | ​ | $ | 517 | ​ | $ | 1,076,698 | ​ | $ | (493,060) | ​ | $ | 1,404 | ​ | $ | 585,559
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | Accumulated |  | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | Additional | ​ | ​ | ​ | ​ | Other | ​ | ​ | ​
​ | ​ | Common Stock | ​ | Paid-in | ​ | Accumulated | ​ | Comprehensive | ​ | ​ | ​
​ | ​ | Shares | ​ | Amount | ​ | Capital | ​ | Deficit | ​ | Income | ​ | Total
​ | ​ | (in thousands)
Balance at December 31, 2021 |  | 50,653 | ​ | $ | 507 | ​ | $ | 1,116,921 | ​ | $ | (681,283) | ​ | $ | 1,483 | ​ | $ | 437,628
Cumulative effect of change in accounting principle - adoption of ASU 2020-06 | ​ | — | ​ |  | — | ​ |  | (56,801) | ​ |  | 12,541 | ​ |  | — | ​ |  | (44,260)
Net income |  | — | ​ |  | — | ​ |  | — | ​ |  | 13,330 | ​ |  | — | ​ |  | 13,330
Other comprehensive income (loss), net of tax |  | — | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | (822) | ​ |  | (822)
Share-based compensation expense |  | — | ​ |  | — | ​ |  | 4,481 | ​ |  | — | ​ |  | — | ​ |  | 4,481
Net issuance under employee stock plans | ​ | 590 | ​ | ​ | 6 | ​ | ​ | (6,793) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (6,787)
Balance at March 31, 2022 |  | 51,243 | ​ | $ | 513 | ​ | $ | 1,057,808 | ​ | $ | (655,412) | ​ | $ | 661 | ​ | $ | 403,570
​
Schedule of the changes in the balances of each component of AOCI, net of tax | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | ​ | ​ | Unrealized | ​ | ​ | ​
​ | ​ | ​ | ​ | Gains (Losses) | ​ | ​ | ​
​ | ​ | Foreign | ​ | on Available | ​ | ​ | ​
​ | ​ | Currency | ​ | for Sale | ​ | ​ | ​
​ |  | Translation |  | Securities |  | Total
​ | ​ | (in thousands)
Balance - December 31, 2022 | ​ | $ | 1,773 | ​ | $ | (845) | ​ | $ | 928
Other comprehensive income (loss) | ​ |  | 6 | ​ |  | 470 | ​ |  | 476
Balance - March 31, 2023 | ​ | $ | 1,779 | ​ | $ | (375) | ​ | $ | 1,404
​

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- Definition Tabular disclosure of changes in the separate accounts comprising stockholders' equity (in addition to retained earnings) and of the changes in the number of shares of equity securities during at least the most recent annual fiscal period and any subsequent interim period presented is required to make the financial statements sufficiently informative if both financial position and results of operations are presented. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=126973232&loc=d3e21463-112644 + Details
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