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v3.23.1

Stockholders' Equity - Stock Options and Restricted Stock (Details) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2023 USD ($) item $ / shares shares | Mar. 31, 2022 USD ($) $ / shares shares | Dec. 31, 2022 USD ($) $ / shares shares
Stock-based compensation, general disclosures. |  |  |
Stock-based compensation expense | $ | $ 2,023 | $ 2,228 |
Common stock options |  |  |
Stock-based compensation, general disclosures. |  |  |
Stock-based compensation expense | $ | 300 | $ 700 |
Total unrecognized pre-tax compensation expense related to nonvested stock option awards | $ | $ 1,000 |  |
Weighted-average period over which unrecognized compensation cost is expected to be recognized | 1 year 1 month 6 days |  |
Options Outstanding |  |  |
Outstanding at beginning of period | shares | 615,307 |  |
Exercised | shares | (316) |  |
Forfeited | shares | (12,065) |  |
Cancelled/Expired | shares | (16,714) |  |
Outstanding at end of period | shares | 586,212 |  | 615,307
Weighted Average Exercise Price Per Share |  |  |
Outstanding at beginning of period | $ / shares | $ 43.25 |  |
Exercised | $ / shares | 1.11 |  |
Forfeited | $ / shares | 44.78 |  |
Cancelled/Expired | $ / shares | 48.81 |  |
Outstanding at end of period | $ / shares | $ 43.09 |  | $ 43.25
Other information |  |  |
Options exercisable number of shares exercisable | shares | 479,622 | 576,134 |
Options exercisable, weighted-average exercise price | $ / shares | $ 44.60 | $ 36.57 |
Weighted average remaining contractual life (in years) | 4 years 4 months 24 days |  | 4 years 8 months 12 days
Options exercisable, weighted-average remaining contractual life | 4 years 2 months 12 days |  |
Aggregate Intrinsic Value, Options outstanding | $ | $ 358 |  | $ 164
Aggregate Intrinsic Value, Exercised | $ | 4 |  |
Aggregate Intrinsic Value, Options exercisable | $ | $ 162 |  |
Common stock options | Minimum |  |  |
Stock-based compensation, general disclosures. |  |  |
Vesting period (in years) | 3 years |  |
Term (in years) | 7 years |  |
Common stock options | Maximum |  |  |
Stock-based compensation, general disclosures. |  |  |
Vesting period (in years) | 4 years |  |
Term (in years) | 10 years |  |
2016 Plan | Time-Based Restricted Stock Units |  |  |
Stock-based compensation, general disclosures. |  |  |
Stock-based compensation expense | $ | $ 1,300 | $ 1,400 |
Total unrecognized pre-tax compensation expense related to awards | $ | $ 9,800 |  |
Weighted-average period over which unrecognized compensation cost is expected to be recognized | 2 years 2 months 12 days |  |
Units Outstanding |  |  |
Restricted stock unit awards outstanding at the beginning of the period (in shares) | shares | 590,542 |  |
Granted (in shares) | shares | 269,461 |  |
Vested (in shares) | shares | (102,651) |  |
Cancelled (in shares) | shares | (18,613) |  |
Restricted stock unit awards outstanding at the end of the period (in shares) | shares | 738,739 |  | 590,542
Weighted Average Grant Date Fair Value Per Unit |  |  |
Restricted stock unit awards outstanding at the beginning of the period (in dollars per share) | $ / shares | $ 19.42 |  |
Granted (in dollars per share) | $ / shares | 14.35 |  |
Vested (in dollars per share) | $ / shares | 26.44 |  |
Cancelled (in dollars per share) | $ / shares | 25.14 |  |
Restricted stock unit awards outstanding at the end of the period (in dollars per share) | $ / shares | $ 16.45 |  | $ 19.42
Aggregate Intrinsic Value |  |  |
Restricted stock unit awards, Average Intrinsic Value | $ | $ 12,130 |  | $ 6,779
2016 Plan | Time-Based Restricted Stock Units | Minimum |  |  |
Stock-based compensation, general disclosures. |  |  |
Vesting period (in years) | 1 year |  |
2016 Plan | Time-Based Restricted Stock Units | Maximum |  |  |
Stock-based compensation, general disclosures. |  |  |
Vesting period (in years) | 3 years |  |
2016 Plan | Performance-based stock-settled restricted stock units |  |  |
Stock-based compensation, general disclosures. |  |  |
Stock-based compensation expense | $ | $ 200 | $ 100 |
Total unrecognized pre-tax compensation expense related to awards | $ | $ 2,600 |  |
Weighted-average period over which unrecognized compensation cost is expected to be recognized | 2 years 4 months 24 days |  |
Number of performance awards under share-based payment arrangement | item | 3 |  |
Units Outstanding |  |  |
Restricted stock unit awards outstanding at the beginning of the period (in shares) | shares | 155,618 |  |
Granted (in shares) | shares | 106,183 |  |
Vested (in shares) | shares | (9,915) |  |
Cancelled (in shares) | shares | (7,762) |  |
Restricted stock unit awards outstanding at the end of the period (in shares) | shares | 244,124 |  | 155,618
Weighted Average Grant Date Fair Value Per Unit |  |  |
Restricted stock unit awards outstanding at the beginning of the period (in dollars per share) | $ / shares | $ 25.05 |  |
Granted (in dollars per share) | $ / shares | 14.35 |  |
Vested (in dollars per share) | $ / shares | 51.89 |  |
Cancelled (in dollars per share) | $ / shares | 26.33 |  |
Restricted stock unit awards outstanding at the end of the period (in dollars per share) | $ / shares | $ 19.27 |  | $ 25.05
Aggregate Intrinsic Value |  |  |
Restricted stock unit awards, Average Intrinsic Value | $ | $ 4,009 |  | $ 1,786
2016 Plan | Performance-based stock-settled restricted stock units | Minimum |  |  |
Stock-based compensation, general disclosures. |  |  |
Performance goals revenue change and adjusted EBITDA margin | 25.00% |  |
Units Outstanding |  |  |
Percentage to earn or vest the performance-based stock-settled restricted stock units | 50.00% |  |
2016 Plan | Performance-based stock-settled restricted stock units | Maximum |  |  |
Stock-based compensation, general disclosures. |  |  |
Performance goals revenue change and adjusted EBITDA margin | 175.00% |  |
Units Outstanding |  |  |
Percentage to earn or vest the performance-based stock-settled restricted stock units | 150.00% |  |
2016 Plan | Tranche one | Performance-based stock-settled restricted stock units |  |  |
Stock-based compensation, general disclosures. |  |  |
Award vesting percentage | 33.33% |  |
2016 Plan | Tranche two | Performance-based stock-settled restricted stock units |  |  |
Stock-based compensation, general disclosures. |  |  |
Award vesting percentage | 33.33% |  |

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- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(01) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Per share or unit weighted-average fair value of nonvested award under share-based payment arrangement. Excludes share and unit options. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(ii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(02) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(ii) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which option holders acquired shares when converting their stock options into shares. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(02) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(04) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(03) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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