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Employee Stock Compensation Plans (Details Narrative) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021	Jun. 18, 2013
Unrecognized Stock Option Compensation Cost Related To Non-vested Options	$ 67,000
Unrecognized Stock Option Compensation Cost Related To Non-vested Options, Period Of Recognition	18 years
Stock Option Exercised In Period, Shares	73,000	120,350
Proceeds From Stock Options Exercised	$ 19,000	$ 67,000
Aggregate Intrinsic Value Per Share	$ 0.26	$ 0.56
Employee Stock Option Expense	$ 13,000	$ 28,000
2013 Plan
Common Stock, Capital Shares Reserved For Future Issuance				5,750,000
2013 Plan | Stock Option
Stock Option Exercised In Period, Shares	5,440,000		5,513,000
Aggregate Intrinsic Value Per Share	$ 0.20		$ 0.77
Employee Stock Option Expense	$ 13,000	$ 28,000

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