Registration of securities issued in business combination transactions

The following table summarizes the changes in the number of deferred stock (Details)

v3.21.4
The following table summarizes the changes in the number of deferred stock (Details) - Performance Shares [Member] - $ / shares
9 Months Ended 12 Months Ended
Sep. 30, 2021
Dec. 31, 2020
Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares, Outstanding - Beginning 272,695 321,227 270,066
Weighted Average Grant Date Fair Value, Outstanding - Beginning $ 3.91 $ 3.37 $ 4.48
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 95,631 161,107
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value $ 5.33 $ 2.76
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period (194,586) (57,952) (4,575)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value $ 4.05 $ 2.81 $ 4.56
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period (78,109) (86,211) (105,371)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value $ 3.56 $ 4.22 $ 3.90
Shares, Outstanding - Ending 272,695 321,227
Weighted Average Grant Date Fair Value, Outstanding - Ending $ 3.91 $ 3.37