Quarterly report pursuant to Section 13 or 15(d)

Stock Option Plans - Schedule of Non-vested Shares Granted Under Stock Option Plan (Details)

v3.21.1
Stock Option Plans - Schedule of Non-vested Shares Granted Under Stock Option Plan (Details) - shares
3 Months Ended 12 Months Ended
Mar. 31, 2021
Dec. 31, 2020
Share-based Payment Arrangement [Abstract]    
Non-vested, Options Outstanding, Beginning balance 5,969 10,138
Non-vested, Options Granted
Non-vested, Options Vested (781) (4,169)
Non-vested, Options Canceled
Non-vested, Options Outstanding, Ending balance 5,188 5,969