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Note 10 - Share Based Payments (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

Black-Scholes-Merton
Volatility			134	%
Expected life of options (in years)			5
Risk-free interest rate			0.80	%
Dividend yield			0	%

Share-based Payment Arrangement, Option, Activity [Table Text Block]

										Weighted Average
		Number				Weighted				Remaining				Aggregate
		Of				Average				Contractual				Intrinsic
		Shares				Exercise Price				Life (years)				Value*
Shares under option, January 1, 2020			2,174,000			$	0.27				-			$	-
Options granted			-			$	-
Options exercised			(24,000	)		$	0.10
Options cancelled and expired			(250,000	)		$	(0.10	)
Shares under option, December 31, 2020			1,900,000			$	0.21				5.63
Options granted			150,000			$	0.46
Options exercised			(450,000	)		$	0.10
Options cancelled and expired			(150,000	)		$	(0.51	)
Shares under option, December 31, 2021			1,450,000			$	0.24				5.33			$	322

Schedule of Nonvested Share Activity [Table Text Block]

						Weighted
		Number of				Average
		Shares				Fair Value
Non-vested stock options at January 1, 2020			416,667			$	0.47
Options granted			-			$	-
Vested during period			(83,833	)		$	(0.47	)
Options cancelled			(250,000	)		$	(0.80	)
Non-vested shares under option, December 31, 2020			83,334			$	0.47
Options granted			150,000			$	0.46
Vested during period			(83,334	)		$	(0.47	)
Options cancelled			-			$	-
Non-vested shares under option, December 31, 2021			150,000			$	0.46

Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding and Exercisable [Table Text Block]

						Weighted Average				Weighted
						Remaining				Average				Aggregate
						Contractual				Exercise				Intrinsic
		Options				Life (years)				Price				Value
Stock options exercisable			1,300,000				5.63			$	0.21			$	322
Stock options expected to vest			150,000				9.34			$	0.46			$	-
Options exercisable and expected to vest			1,450,000

Share-based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block]

						Weighted Average
		Number of				Grant Date
		Shares				Fair Value
Unvested January 1, 2020			956,000			$	0.72
Granted restricted stock			1,396,000			$	0.88
Cancelled restricted stock			(225,000	)		$	(0.81	)
Vested restricted stock			(407,167	)		$	(0.50	)
Unvested December 31, 2020			1,720,333			$	0.89
Granted restricted stock			10,000			$	0.85
Cancelled restricted stock			(49,000	)		$	(0.68	)
Vested restricted stock			(781,333	)		$	(0.91	)
Unvested December 31, 2021			900,000			$	0.88

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