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v3.22.1

Stock-Based Compensation - Options (Details) - Options [Member] - USD ($) $ / shares in Units, shares in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |
Compensation costs related to unvested stock options not yet recognized | $ 300,000 |  |
Value of estimated forfeitures | $ 35,000 |  |
Weighted-average period of amortization | 1 year 4 months 24 days |  |
Number of Options Outstanding [Roll Forward] |  |  |
Options outstanding, beginning of period (in shares) | 1,378 |  |
Granted (in shares) | 0 | 0 |
Options outstanding, end of period (in shares) | 1,378 |  | 1,378
Options vested and unvested options expected to vest, net of forfeitures, end of period (in shares) | 1,376 |  |
Options exercisable, end of period (in shares) | 1,140 |  |
Weighted-average Exercise Price [Roll Forward] |  |  |
Options outstanding, beginning of period (in dollars per share) | $ 4.83 |  |
Options outstanding, end of period (in dollars per share) | 4.83 |  | $ 4.83
Options vested and unvested options expected to vest, net of forfeitures (in dollars per share) | 4.83 |  |
Options exercisable, end of period (in dollars per share) | $ 5.10 |  |
Weighted average Remaining Contractual Life [Abstract] |  |  |
Options outstanding | 5 years 4 months 9 days |  | 5 years 7 months 6 days
Options vested and unvested options expected to vest, net of forfeitures, end of period | 5 years 4 months 6 days |  |
Option exercisable, end of period | 4 years 11 months 1 day |  |
Aggregate Intrinsic Value [Abstract] |  |  |
Options outstanding, beginning of period | $ 5,573,000 |  |
Options outstanding, end of period | 3,383,000 |  | $ 5,573,000
Options vested and expected to vest, end of period | 3,371,000 |  |
Options exercisable, end of period | $ 2,547,000 |  |
Closing price (in dollars per share) | $ 7.02 |  |

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- Definition Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Amount of cost to be recognized for option under share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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