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Note 9 - Share Based Payments (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

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

Black-Scholes-Merton
		2022				2021
Volatility			68.7	%			134	%
Expected life of options (in years)			5				5
Risk-free interest rate			4.27	%			0.80	%
Dividend yield			0	%			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, 2021			1,900,000			$	0.21				-			$	-
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
Options granted			1,450,000			$	0.62
Options exercised			(410,000	)		$	0.10
Options cancelled and expired			(150,000	)		$	(0.40	)
Shares under option, December 31, 2022			2,340,000			$	0.49				6.44			$	248

Schedule of Nonvested Share Activity [Table Text Block]

						Weighted
		Number of				Average
		Shares				Fair Value
Non-vested stock options at January 1, 2021			83,334			$	0.47
Options granted			150,000			$	0.46
Vested during period			(83,834	)		$	(0.47	)
Options cancelled			-			$	-
Non-vested shares under option, December 31, 2021			150,000			$	0.46
Options granted			1,450,000			$	0.41
Vested during period			(50,000	)		$	(0.59	)
Options cancelled			-			$	-
Non-vested shares under option, December 31, 2022			1,550,000			$	0.42

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			790,000				8.08			$	0.25			$	248
Stock options expected to vest			1,550,000				9.77			$	0.62			$	-
Options exercisable and expected to vest			2,340,000

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

						Weighted
						Average
		Number of				Grant Date
		Shares				Fair Value
Unvested January 1, 2021			1,720,333			$	0.89
Granted restricted stock			10,000			$	0.85
Cancelled restricted stock			(49,000	)		$	(0.65	)
Vested restricted stock			(781,333	)		$	(0.91	)
Unvested December 31, 2021			900,000			$	0.88
Granted restricted stock			505,000			$	0.48
Cancelled restricted stock			(186,000	)		$	(0.65	)
Vested restricted stock			(618,333	)		$	(0.89	)
Unvested December 31, 2022			600,667			$	0.62

X

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