Leases (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Operating lease cost	$ 150,000	$ 150,000
Variable lease cost	104,000	106,000
Short-term lease cost	40,000	38,000
Total	294,000	294,000
Corporate Headquarters
Operating lease cost	150,000	150,000
Variable lease cost	104,000	106,000
Short-term lease cost	0	0
Total	254,000	256,000
Additional Office Space
Operating lease cost	0	0
Variable lease cost	0	0
Short-term lease cost	40,000	38,000
Total	$ 40,000	$ 38,000