Employee Stock Compensation Plans (Details Narrative) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020	Jun. 18, 2013
Options outstanding	5,513,000		5,513,000		5,558,000
Common stock, reserved for related parties						5,750,000
Term of options			5 years
Vesting of options shares percents			25.00%
Stock option compensation expense	$ 32,000	$ 72,000	$ 104,000	$ 287,000
Proceeds from options exercised			$ 83,000
Exercise price			$ 0.45		$ 0.77
Unrecognized stock option compensation	$ 100,000		$ 100,000
Options exercised			185,000
Unrecognized stock option compensation recognition period			22 years
Maximum [Member]
Exercise price			$ 0.77
Minimum [Member]
Exercise price			0.20
Black-Scholes model [Member]
Term of options				5 years
Exercise price			$ 0.68	$ 0.20
Options granted			140,000	1,325,000
Grant fair value, options			$ 58,000	$ 145,000
Volatility rate			76.00%	66.00%
Risk-free interest rate			0.90%	0.40%