Equity Plan - Unrecognized Compensation Cost - Nonvested Stock Options (Details) - Options |
12 Months Ended |
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Dec. 31, 2021
USD ($)
| |
Unrecognized Compensation Cost | |
Total unrecognized compensation cost related to nonvested stock options granted | $ 1,142,000 |
Expected weighted-average period for recognition of compensation costs related to nonvested stock options | 2 years 7 months 17 days |