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v3.21.1

Share-based Payments (Tables) | 12 Months Ended
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Dec. 31, 2020
Share-Based Payments |
Schedule of valuation assumptions for applying the Black-Scholes methodology to the options granted under share-based payments |
Risk free interest rate, average | 0.37%
Expected option life, average | 5 years
Expected price volatility, average | 67.23%
Expected dividend yield | 0%
Schedule of stock option activity |
|  | Number of Shares |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term (Years) |  |  | Aggregate Intrinsic Value |
As of December 31, 2018 |  |  | 624,256 |  |  | $ | 8.87 |  |  |  | 5.28 |  |  | $ | — |
Granted |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
Expired and canceled |  |  | (78,786 | ) |  |  | 7.85 |  |  |  |  |  |  |  |  |
Forfeited prior to vesting |  |  | (823 | ) |  |  | 11.97 |  |  |  |  |  |  |  |  |
Exercised |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
As of December 31, 2019 |  |  | 544,647 |  |  | $ | 9.01 |  |  |  | 4.93 |  |  | $ | — |
Granted |  |  | 337,500 |  |  |  | 2.50 |  |  |  |  |  |  |  |  |
Expired and canceled |  |  | (38,701) |  |  |  | 4.81 |  |  |  |  |  |  |  |  |
Forfeited prior to vesting |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
Exercised |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
As of December 31, 2020 |  |  | 843,446 |  |  | $ | 6.60 |  |  |  | 4.91 |  |  | $ | — |
Vested and Expected to Vest at December 31, 2019 |  |  | 544,647 |  |  | $ | 9.01 |  |  |  | 4.93 |  |  | $ | — |
Vested at December 31, 2019 |  |  | 527,181 |  |  | $ | 8.97 |  |  |  | 4.85 |  |  | $ | — |
Vested and Expected to Vest at December 31, 2020 |  |  | 843,446 |  |  | $ | 6.60 |  |  |  | 4.91 |  |  | $ | — |
Vested at December 31, 2020 |  |  | 505,946 |  |  | $ | 9.33 |  |  |  | 4.21 |  |  | $ | — |
Schedule of shares purchased and compensation expense associated with Employee Stock Purchase Plans |
|  | 2020 |  |  | 2019 |
Shares purchased under ESPP plan |  |  | 8,998 |  |  |  | 20,128 |
Plan compensation expense |  | $ | 5 |  |  | $ | 9 |

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