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Employee Stock Compensation Plans (Details Narrative) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Jun. 18, 2013
Unrecognized stock option compensation cost related to non-vested options |  | $ 618,000 |
Unrecognized stock option compensation cost related to non-vested options, period of recognition | 31 months |  |
Proceeds from stock options exercised | $ 30,000 | 83,000 |
Employee stock option expense | $ 338,000 | $ 124,000 |
2013 Plan |  |  |
Common stock, capital shares reserved for future issuance |  |  | 5,750,000
2013 Plan | Stock Option |  |  |
Award vesting rights on grant date, percentage | 25.00% |  |
Award vesting rights, percentage | 25.00% |  |
Stock option exercised in period, shares | 114,250 | 185,000 |
Proceeds from stock options exercised | $ 30,000 | $ 83,000 |
Aggregate intrinsic value per share | $ 0.62 | $ 0.50 |
Employee stock option expense | $ 338,000 | $ 124,000 |

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