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Stock-Based Compensation (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Options granted | 320,816 | 600,000 |
Weighted-average grant date fair value of options granted | $ 1.06 | $ 1.65 |
Intrinsic value of shares | $ 100 | $ 100 |
Weighted average exercise price | $ 1.31 | $ 1.31 | $ 1.31
Fair value | $ 1,000 | $ 300 |
Number of stock options exercised | 355,000 | 253,335 |
Shares exercised | 237,719 |  |
Shares not exercised | 15,616 |  |
Common shares issued | 0 |  |
Estimated unrecognized compensation expense | $ 500 |  |
Accrued Liabilities Current | $ 5,197 | $ 4,731 |
Additionally number of shares granted | 5,000,000 |  |
STIP |  |  |
Accrued Liabilities Current | $ 1,000 | $ 700 |
Restricted stock units |  |  |
Vesting period | 3 years |  |
Estimated unrecognized compensation expense | $ 900 |  |
Number of units Granted | 611,681 | 2,614 |
Weighted-average fair value of per unit | $ 1.97 | $ 2.56 |
Volume weighted average period | 20 days |  |
Vested and redeemed | 80,169 | 75,262 |
Forfeited | 22,465 | 171,418 |
Total intrinsic value | $ 300 | $ 100 |
Performance stock units |  |  |
Vesting period | 3 years |  |
Number of units Granted | 695,041 | 0 |
Non-current liability | $ 300 |  |
Weighted-average fair value of per unit | $ 1.99 |  |
Volume weighted average period | 20 days |  |
Vested and redeemed |  | 0 |
Forfeited |  | 0 |
Deferred stock units |  |  |
Other non-current liability | $ 600 | $ 200 |
Vesting period | 10 years |  |
Number of units Granted | 214,357 | 130,000 |
Additionally number of shares granted | 14,382 | 1,960 |
Weighted-average fair value of per unit | $ 2.93 | $ 3.21 |
Volume weighted average period | 20 days |  |
Vested and redeemed |  | 0 |
Forfeited |  | 0 |

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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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