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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2021
Share-based Payment Arrangement [Abstract] |
Schedule of stock option plans |
|  | Years Ended December 31, |
|  | 2021 |  |  | 2020 |
|  | Number of Shares |  |  | Weighted Average Exercise Price |  |  | Number of Shares |  |  | Weighted Average Exercise Price |
Outstanding at beginning of year |  |  | 207 |  |  | $ | 4.16 |  |  |  | 229 |  |  | $ | 4.15 |
Options exercised |  |  | (124 | ) |  |  | 3.74 |  |  |  | (22 | ) |  |  | 3.74 |
Options expired |  |  | (9 | ) |  |  | 12.90 |  |  |  | — |  |  |  | — |
Outstanding at end of year |  |  | 74 |  |  | $ | 3.74 |  |  |  | 207 |  |  | $ | 4.16 |
Options exercisable at end of year |  |  | 74 |  |  | $ | 3.74 |  |  |  | 207 |  |  | $ | 4.16 |
Schedule of stock options outstanding |
|  |  | Options Outstanding |  |  | Options Exercisable |
Range of Exercise Prices |  |  | Number Outstanding |  |  | Weighted- Average Remaining Contractual Life (yrs.) |  |  | Weighted- Average Exercise Price |  |  | Number Exercisable |  |  | Weighted- Average Exercise Price |
$ | 3.74 |  |  |  | 74 |  |  |  | 1.46 |  |  | $ | 3.74 |  |  |  | 74 |  |  | $ | 3.74 |
Schedule of unvested restricted stock activity |
|  | Number of Shares |  |  | Weighted- Average Grant Date Fair Value Per Share |
Unvested at December 31, 2019 |  |  | 2,201 |  |  | $ | 1.84 |
Issued |  |  | 1,663 |  |  | $ | 1.25 |
Vested |  |  | (1,290 | ) |  | $ | 2.08 |
Canceled |  |  | (314 | ) |  | $ | 1.33 |
Unvested at December 31, 2020 |  |  | 2,260 |  |  | $ | 1.34 |
Issued |  |  | 750 |  |  | $ | 5.76 |
Vested |  |  | (1,525 | ) |  | $ | 1.64 |
Canceled |  |  | (98 | ) |  | $ | 2.77 |
Unvested at December 31, 2021 |  |  | 1,387 |  |  | $ | 3.30 |
Schedule of common stock at vesting aggregated |
|  | Years Ended December 31, |
|  | 2021 |  |  | 2020 |  |  | 2019 |
Employees |  | $ | 1,758 |  |  | $ | 2,025 |  |  | $ | 2,422 |
Non-employees |  |  | 1,125 |  |  |  | 654 |  |  |  | 387 |
Total stock-based compensation expense |  | $ | 2,883 |  |  | $ | 2,679 |  |  | $ | 2,809 |

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- Definition Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit. + 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 (h)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + 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 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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