Note 7 - Share-based Compensation (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

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

	2022			2021
Expected term (in years)		6.25			6.25
Expected volatility		52	%		67	%
Risk-free rate		3.96	%		0.11	%
Dividend rate		—			—

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

	Number of Shares			Weighted-Average Exercise Price Per Option		Weighted- Average Remaining Contractual Life (in years)
Shares underlying outstanding awards at December 31, 2020		3,209,141		$	0.67		3.65
Granted		82,716			0.97
Exercised		(110,975	)		0.36
Shares underlying outstanding awards at December 31, 2021		3,180,882			0.38		5.30
Granted		472,000			1.30
Exercised		(12,702	)		0.41
Forfeited		(32,862	)		0.95
Shares underlying outstanding awards at December 31, 2022		3,607,318		$	0.59		4.85
Exercisable options at December 31, 2022		2,905,460		$	0.37		4.32

Nonvested Restricted Stock Shares Activity [Table Text Block]

	2022
	Number of RSUs			Weighted Average Grant Date Fair Value
Outstanding at December 31, 2021		-		$	-
Granted		903,120			1.79
Vested		-			-
Cancelled/Forfeited		(29,300	)		2.00
Outstanding at December 31, 2022		873,820		$	1.78

Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block]

	2022		2021
Direct product costs	$	21,088	$	-
Research and development	$	181,792	$	-
Sales and marketing	$	108,318	$	-
General and administrative	$	332,372	$	176,046
	$	643,570	$	176,046