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Stock-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2021
Share-based Payment Arrangement [Abstract] |
Schedule of Stock-based Compensation Expense | The amount of stock-based compensation expense is as follows (amounts in thousands): Schedule of Stock-based Compensation Expense
|  | Three months ended June 30, |  |  | Six months ended June 30, |
|  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Stock options |  | $ | 29 |  |  | $ | 23 |  |  | $ | 53 |  |  | $ | 53 |
Restricted stock awards |  |  | - |  |  |  | 1 |  |  |  | 1 |  |  |  | 2 |
Total |  | $ | 29 |  |  | $ | 24 |  |  | $ | 54 |  |  | $ | 55 |
Schedule of Estimated Fair Value of Stock Options | The Company estimated the fair value of stock options using the Black-Scholes-Merton option pricing model with the following assumptions (all share amounts have been adjusted to reflect the 1-for-4 reverse split that occurred in December 2020): Schedule of Estimated Fair Value of Stock Options
|  | Six months ended June 30, |
|  | 2021 |  |  | 2020 |
Number of options awarded to purchase common shares |  |  | 17,000 |  |  |  | 5,000 |
Risk-free interest rate |  |  | 0.82 | % |  |  | 1.56 | %
Expected volatility |  |  | 70.10 | % |  |  | 97.3 | %
Assumed dividend yield |  |  | N/A |  |  |  | N/A |
Assumed dividend yield |  |  | - |  |  |  | - |
Expected life of options from the date of grant |  |  | 9.8 years |  |  |  | 9.8 years |
Schedule of Unrecognized Compensation Cost from Unvested Awards | The estimated unrecognized compensation cost from unvested awards which will be recognized ratably over the remaining vesting phase is as follows (amounts in thousands): Schedule of Unrecognized Compensation Cost from Unvested Awards
Years ended December 31st: |  | Unvested stock options |  |  | Unvested restricted stock awards |  |  | Total unrecognized compensation expense |
2021 (remaining six months) |  | $ | 79 |  |  | $ | - |  |  | $ | 79 |
2022 |  |  | 98 |  |  |  | - |  |  |  | 98 |
2023 |  |  | 40 |  |  |  | - |  |  |  | 40 |
2024 |  |  | 11 |  |  |  | - |  |  |  | 11 |
|  | $ | 228 |  |  | $ | - |  |  | $ | 228 |
Schedule of Stock Option Activity | Stock option activity under our Equity Incentive Plans is summarized as follows (all share and dollar amounts have been adjusted to reflect the 1-for-4 reverse split that occurred in December 2020): Schedule of Stock Option Activity
|  |  |  |  |  |  |  |  |  |  | Weighted avg. |  |  |  |
|  |  |  |  | Weighted avg. |  |  | Weighted avg. |  |  | remaining |  |  |  |
|  | Number of |  |  | exercise price |  |  | grant date fair |  |  | contractual life |  |  | Aggregate |
|  | awards |  |  | per share |  |  | value per share |  |  | (in years) |  |  | intrinsic value |
Outstanding, December 31, 2020 |  |  | 105,086 |  |  | $ | 6.25 |  |  | $ | 6.06 |  |  |  | 5.38 |  |  | $ | 814,090 |
Granted |  |  | 17,000 |  |  | $ | 14.77 |  |  | $ | 10.90 |  |  |  | 10.00 |  |  |  |  |
Exercised |  |  | (17,763 | ) |  | $ | 2.30 |  |  | $ | 2.92 |  |  |  | 1.74 |  |  |  |  |
Expired/Forfeited |  |  | (1,988 | ) |  | $ | 7.17 |  |  | $ | 6.82 |  |  |  | 7.28 |  |  |  |  |
Outstanding, June 30, 2021 |  |  | 102,335 |  |  | $ | 8.31 |  |  | $ | 7.49 |  |  |  | 6.33 |  |  | $ | 732,909 |
Exercisable, June 30, 2021 |  |  | 68,657 |  |  | $ | 6.93 |  |  | $ | 6.80 |  |  |  | 5.04 |  |  | $ | 586,568 |
Unvested, June 30, 2021 |  |  | 33,678 |  |  | $ | 11.12 |  |  | $ | 8.89 |  |  |  | 8.95 |  |  | $ | 146,341 |
Schedule of Restricted Stock Activity Under Equity Incentive Plan | Restricted stock activity under our Equity Incentive Plans is summarized as follows (all share and dollar amounts have been adjusted to reflect the 1-for-4 reverse split that occurred in December 2020): Schedule of Restricted Stock Activity Under Equity Incentive Plan
|  |  |  |  | Weighted avg. |
|  | Number of |  |  | grant date |
|  | options |  |  | fair value |
Non-vested restricted shares, December 31, 2020 |  |  | 1,250 |  |  | $ | 10.20 |
Granted |  |  | - |  |  | $ | - |
Vested |  |  | (1,250 | ) |  | $ | 10.20 |
Forfeited |  |  | - |  |  | $ | - |
Non-vested restricted shares, June 30, 2021 |  |  | - |  |  | $ | - |

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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + 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 (f)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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