XML 33 R23.htm IDEA: XBRL DOCUMENT
v3.22.2

Equity (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2022
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, 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
Net income |  | — | ​ |  | — | ​ |  | — | ​ |  | 9,655 | ​ |  | — | ​ |  | 9,655
Other comprehensive income (loss), net of tax |  | — | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | (272) | ​ |  | (272)
Share-based compensation expense |  | — | ​ |  | — | ​ |  | 6,278 | ​ |  | — | ​ |  | — | ​ |  | 6,278
Net issuance under employee stock plans |  | 182 | ​ | ​ | 2 | ​ | ​ | 1,504 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 1,506
Balance at June 30, 2022 |  | 51,425 | ​ | $ | 515 | ​ | $ | 1,065,590 | ​ | $ | (645,757) | ​ | $ | 389 | ​ | $ | 420,737
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ |  | ​ | ​ |  | ​ | ​ |  | ​ | ​ |  | Accumulated |  | ​ | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | Additional | ​ | ​ | ​ | ​ | Other | ​ | ​ | ​
​ | ​ | Common Stock | ​ | Paid-in | ​ | Accumulated | ​ | Comprehensive | ​ | ​ | ​
​ | ​ | Shares | ​ | Amount | ​ | Capital | ​ | Deficit | ​ | Income | ​ | Total
​ | ​ | (in thousands)
Balance at December 31, 2020 |  | 49,724 | ​ | $ | 497 | ​ | $ | 1,113,352 | ​ | $ | (707,321) | ​ | $ | 1,846 | ​ | $ | 408,374
Net income |  | — | ​ |  | — | ​ |  | — | ​ |  | 2,494 | ​ |  | — | ​ |  | 2,494
Other comprehensive income (loss), net of tax |  | — | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | (19) | ​ |  | (19)
Share-based compensation expense |  | — | ​ |  | — | ​ |  | 3,237 | ​ |  | — | ​ |  | — | ​ |  | 3,237
Net issuance under employee stock plans | ​ | 459 | ​ | ​ | 5 | ​ | ​ | (1,630) | ​ | ​ | — | ​ | ​ | — | ​ | ​ | (1,625)
Balance at March 31, 2021 |  | 50,183 | ​ | $ | 502 | ​ | $ | 1,114,959 | ​ | $ | (704,827) | ​ | $ | 1,827 | ​ | $ | 412,461
Net income |  | — | ​ |  | — | ​ |  | — | ​ |  | 6,348 | ​ |  | — | ​ |  | 6,348
Other comprehensive income (loss), net of tax |  | — | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | (24) | ​ |  | (24)
Share-based compensation expense |  | — | ​ |  | — | ​ |  | 4,367 | ​ |  | — | ​ |  | — | ​ |  | 4,367
Net issuance under employee stock plans | ​ | 166 | ​ | ​ | 1 | ​ | ​ | 582 | ​ | ​ | — | ​ | ​ | — | ​ | ​ | 583
Balance at June 30, 2021 |  | 50,349 | ​ | $ | 503 | ​ | $ | 1,119,908 | ​ | $ | (698,479) | ​ | $ | 1,803 | ​ | $ | 423,735
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, 2021 | ​ | $ | 1,814 | ​ | $ | (331) | ​ | $ | 1,483
Other comprehensive income (loss) | ​ |  | (51) | ​ |  | (1,043) | ​ |  | (1,094)
Balance - June 30, 2022 | ​ | $ | 1,763 | ​ | $ | (1,374) | ​ | $ | 389

X
- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=6450520&loc=d3e32583-110901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI https://asc.fasb.org/extlink&oid=126968391&loc=SL7669686-108580 Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 30 -Section 45 -Paragraph 20 -URI https://asc.fasb.org/extlink&oid=118261656&loc=d3e32211-110900 + Details
Name: | us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- 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
Name: | us-gaap_ScheduleOfStockholdersEquityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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