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Equity Incentive Awards (Details 3) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award      
Share-based Compensation Arrangement by Share-based Payment Award, Stock Bonus and Restricted Stock, Grants in Period 32,192 85,104 27,728
Share-based Compensation Arrangement by Share-based Payment Award, Stock Bonus and Restricted Stock to Consultants, Grants in Period, Weighted Average Grant Date Fair Value $ 5.04 $ 1.86 $ 5.67
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value $ 8,700 $ 3,200 $ 2,900