Income Taxes (Details Narrative) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Taxes
Valuation allowance	$ 580,000
Remaining capital loss carryover deduction	2,600,000
Unrecognized tax benefits, accrued interest		$ 20,000	$ 19,000
Unrecognized tax benefits, net interest benefit	$ 35,000	$ 16,000	$ 18,000