Note 7 - Share-based Compensation (Tables)

3 Months Ended

Mar. 31, 2023

Notes Tables

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

	Three Months Ended March 31,
	2023			2022
Expected term (in years)		6.25			6.25
Expected volatility		52	%		67	%
Risk-free rate		3.55	%		3.96	%
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, 2022		601,220		$	3.54		4.85
Granted		9,333			8.97
Exercised		-
Cancelled/Forfeited		(2,863	)		11.41
Shares underlying outstanding awards at March 31, 2023		607,690		$	3.60		5.18
Exercisable options at March 31, 2023		503,445		$	2.40		4.47

Nonvested Restricted Stock Shares Activity [Table Text Block]

	Three Months Ended March 31, 2023
	Number of RSUs			Weighted Average Grant Date Fair Value
Outstanding at December 31, 2022		145,637		$	10.68
Granted		62,500			8.94
Vested		(26,284	)		11.16
Cancelled/Forfeited		(2,908	)		8.94
Outstanding at March 31, 2023		178,945		$	10.04

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

		Three Months Ended March 31,
	2023		2022
Direct product costs	$	17,665	$	1,321
Research and development		65,731		8,432
Sales and marketing		45,459		14,211
General and administrative		139,785		8,892
	$	268,640	$	32,856