Note 11 - Share-based Compensation (Tables)

3 Months Ended

Mar. 31, 2024

Notes Tables

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

				Weighted Average
	Options on Common Shares			Exercise Price		Remaining Contractual Term		Aggregate Intrinsic Value
Outstanding January 1, 2024		4,657,635		$	2.52		8.75	$	3,979
Granted		535,000		$	3.48		-		-
Exercised		(232,081	)	$	2.53		-		-
Forfeited, cancelled, expired		(132,573	)	$	2.14		-		-
Outstanding March 31, 2024		4,827,981		$	2.64		8.63	$	1,631
Exercisable March 31, 2024		938,138		$	4.41		6.19	$	-

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

	For the Three Months
	Ended March 31,
	2024			2023
Expected stock price volatility		76	%		0	%
Risk-free interest rate		3.89	%		0	%
Expected dividend yield		0	%		0	%
Expected life of options		6.00			0
Weighted-average fair value of options granted	$	2.29		$	0

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

	Service-Based RSU's			Weighted Average Grant Date Fair Value		Weighted Average Vesting Period (Years)
Unvested at January 1, 2024		810,588		$	1.73		2.52
Granted - service based		686,296		$	2.81		-
Vested		(43,900	)	$	2.96		-
Forfeited and cancelled		(171,855	)	$	2.00		-
Unvested at March 31, 2024		1,281,149		$	2.24		5.01

Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block]

	Three Months Ended March 31,
	2024		2023
Selling, general and administrative	$	647	$	562
Research and development		28		66
Total share-based expense	$	675	$	628