Income Taxes (Narrative) (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2012	Dec. 31, 2021
Income Taxes [Abstract]
Proceeds from sale of common stock			$ 22,500,000
Net operating loss carry forwards	$ 22,253,000
Carryforwards utilize limit before the stock offering closed	163,000
Unutilized operating loss carryforwards that will expire	20,520,000
Reduced deferred tax assets and valuation allowance	$ 6,977,000
Deferred tax liability to be recorded				$ 473,000
Effective tax rate	18.50%	18.50%
Additional bad debt deductions	$ 2,250,000
Deferred tax asset, valuation allowance	0
Deferred tax asset	4,774,000			4,044,000
Unrecognized tax benefits	$ 0			$ 0