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