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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2022
Share-Based Payment Arrangement [Abstract] |
Share-based Compensation, Activity | The following table presents our total stock-based compensation expense:
| Year Ended
| 2022 |  | 2021 |  | 2020
Employee stock-based compensation expense |  |  |  |  |
Pre-tax (1) | $ | 1,230 |  |  | $ | 875 |  |  | $ | 876 |
Post-tax (2) | 972 |  |  | 691 |  |  | 692 |
Director stock-based compensation expense |  |  |  |  |
Pre-tax (1) | 158 |  |  | 310 |  |  | 506 |
Post-tax (2) | 125 |  |  | 245 |  |  | 400 |
(1) This table does not include withholding of vested shares for tax liabilities, which totaled $25,000, $39,000, and $112,000 in 2022, 2021, and 2020, respectively. (2) The after tax amounts are determined using the 21% corporate federal tax rate.
Schedule of Nonvested Share Activity | The following table presents certain information related to the activity of our non-vested common stock grants:
| Number of Restricted Shares |  | Weighted Average Grant Date Fair Value
Outstanding as of December 31, 2019 | 214,495 |  |  | $ | 17.49 |
Granted (1) | 386,101 |  |  | 9.33 |
Less: Forfeited | 232,323 |  |  | 12.61 |
Less: Vested (1) | 109,267 |  |  | 16.63 |
Outstanding as of December 31, 2020 | 259,006 |  |  | $ | 10.06 |
Granted | 292,960 |  |  | 6.01 |
Less: Forfeited | 122,460 |  |  | 8.87 |
Less: Vested | 92,910 |  |  | 9.99 |
Outstanding as of December 31, 2021 | 336,596 |  |  | $ | 6.99 |
Granted | 907,907 |  |  | 1.97 |
Less: Forfeited | 383,876 |  |  | 3.43 |
Less: Vested | 146,388 |  |  | 6.00 |
Outstanding as of December 31, 2022 | 714,239 |  |  | $ | 2.73 |
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions | The following weighted-average assumptions were used to value the stock options granted:
| 2022 |  | 2021
Expected annual dividend yield | — | % |  | 0.65 | %
Expected volatility | 49.66 | % |  | 46.63 | %
Risk-free interest rate | 2.92 | % |  | 1.16 | %
Expected term | 6 | years |  | 6 | years
Schedule of Share-based Compensation, Stock Options and Stock Appreciation Rights Award Activity | The following table presents certain information related to the activity of our non-vested stock option grants:
| Number of Stock Options |  | Weighted Average Exercise Prices |  | Weighted Average Remaining Contractual Term (years) |  | Aggregate Intrinsic Value
Outstanding as of December 31, 2019 | 207,069 |  |  | $ | 18.69 |  |  | 9.00 |  |  | $ | — |
Granted | 221,541 |  |  | 8.77 |  |  | — |  |  | — |
Less: Forfeited | 234,472 |  |  | 12.76 |  |  | — |  |  | — |
Less: Exercised | — |  |  | — |  |  | — |  |  | — |
Less: Expired | 50,132 |  |  | 18.94 |  |  | — |  |  | — |
Outstanding as of December 31, 2020 | 144,006 |  |  | $ | 13.00 |  |  | 8.77 |  |  | $ | — |
Vested as of December 31, 2020 | 80,728 |  |  | $ | 19.01 |  |  | 7.95 |  |  | $ | — |
Exercisable as of December 31, 2020 | 30,596 |  |  | $ | 19.11 |  |  | 7.95 |  |  | $ | — |
Outstanding as of December 31, 2020 | 144,006 |  |  | $ | 13.00 |  |  | 8.77 |  |  | $ | — |
Granted | 1,054,707 |  |  | 3.86 |  |  | — |  |  | — |
Less: Forfeited | 48,995 |  |  | 8.08 |  |  | — |  |  | — |
Less: Exercised | — |  |  | — |  |  | — |  |  | — |
Less: Expired | 2,503 |  |  | 16.25 |  |  | — |  |  | — |
Outstanding as of December 31, 2021 | 1,147,215 |  |  | $ | 4.80 |  |  | 9.49 |  |  | $ | 792,000 |
Vested as of December 31, 2021 | 120,638 |  |  | $ | 15.87 |  |  | 7.39 |  |  | $ | — |
Exercisable as of December 31, 2021 | 68,003 |  |  | $ | 15.85 |  |  | 7.39 |  |  | $ | — |
Outstanding as of December 31, 2021 | 1,147,215 |  |  | $ | 4.80 |  |  | 9.49 |  |  | $ | 792,000 |
Granted | 635,643 |  |  | 1.70 |  |  | — |  |  | — |
Less: Forfeited | 426,480 |  |  | 2.91 |  |  | — |  |  | — |
Less: Exercised | — |  |  | — |  |  | — |  |  | — |
Less: Expired | 105,693 |  |  | 6.65 |  |  | — |  |  | — |
Outstanding as of December 31, 2022 | 1,250,685 |  |  | $ | 3.71 |  |  | 7.66 |  |  | $ | — |
Vested as of December 31, 2022 (1) | 532,797 |  |  | $ | 7.26 |  |  | 8.03 |  |  | $ | — |
Exercisable as of December 31, 2022 | 432,786 |  |  | $ | 5.25 |  |  | 5.10 |  |  | $ | — |

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