Stock-Based Compensation and Other Benefit Plans (Tables) |
12 Months Ended |
|---|---|
Dec. 31, 2021 | |
| Stock-Based Compensation and Other Benefit Plans [Abstract] | |
| Summary of Stock-Based Compensation | Year Ended December 31, 2021 2020 2019 (in thousands)Stock-based compensation - equity awards $ 1,060 $ 848 $ 985Stock-based compensation - liability awards 1,399 (734) 2,521Total stock-based compensation $ 2,459 $ 114 $ 3,506 |
| Stock Option Valuation Assumptions | Year Ended December 31, 2021 2020 2019 Weighted average exercise price - ($/share)$3.14 $1.23 $2.08 Expected life in years 6.0 6.0 3.2 Average expected volatility 74% 74% 73%Risk-free interest rate 0.95% 0.42% 2.33%Weighted average grant date fair value - ($/share)$2.07 $0.79 $1.06 |
| Stock Option Activity | Stock option activity associated with the Monte Carlo model for the year ended December 31, 2021 is provided below: Number of Shares Underlying Options Weighted Average Exercise Price Per Share Weighted Average Remaining Contractual Term Aggregate Intrinsic Value (in thousands) (in years) (in thousands)Outstanding at January 1, 2021 644 $1.23 Granted 402 3.14 Exercised — — Unvested shares forfeited (687) 1.96 Vested shares expired — — Outstanding at December 31, 2021 359 $1.96 8.75 $448Exercisable at December 31, 2021 74 $1.23 8.49 $146 Stock option activity associated with the Black-Scholes model for the year ended December 31, 2021 is provided below: Number of Shares Underlying Options Weighted Average Exercise Price Per Share Weighted Average Remaining Contractual Term Aggregate Intrinsic Value (in thousands) (in years) (in thousands)Outstanding at January 1, 2021 1,804 $ 1.38 Granted — — Exercised (1,122) 1.22 Unvested shares forfeited (67) 2.33 Vested shares expired — — Outstanding at December 31, 2021 615 $ 1.58 1.44 $ 1,001Exercisable at December 31, 2021 520 $ 1.45 1.31 $ 917 |
| Summary of Non Vested Awards | Restricted Stock Weighted Average Grant Date Fair Value (in thousands) Non-vested shares outstanding at January 1, 2021 1,155 $ 1.30Awards granted 605 3.13Awards vested (543) 1.28Awards forfeited (476) 2.00Non-vested shares outstanding at December 31, 2021 741 $ 2.36 |
| SAR Activity | Number of Shares Underlying SARs Weighted Average Exercise Price Per Share Term Aggregate Intrinsic Value (in thousands) (in years) (in thousands)Outstanding at January 1, 2021 2,940 $ 1.33 Granted — — Exercised (2,450) 1.20 Unvested SARs forfeited (128) 2.33 Vested SARs expired — — Outstanding at December 31, 2021 362 $ 1.81 1.92 $ 506Exercisable at December 31, 2021 194 $ 1.57 1.65 $ 319 |