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Note 6 - Stock-based Compensation (Tables)

12 Months Ended

Dec. 31, 2024

Notes Tables

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

		Year ended December 31,
		2024				2023
Stock options		$	640			$	522
Restricted stock			58				6
Total		$	698			$	528

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

		Year ended December 31,
		2024				2023
Risk-free interest rate			4.3	%			4.1	%
Volatility factor			58	%			57	%
Weighted average expected life (years)			4.7				4.9
Forfeiture rate			10.0	%			10.0	%
Dividends			0.0	%			0.0	%

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

Year ended December 31, 2024
		Number of shares				Weighted average exercise price per share				Weighted average remaining contractual term				Aggregate intrinsic value
Shares under option – January 1			1,250,595			$	7.10
Options granted			261,520				7.85
Options exercised			(298,293	)			7.08
Options forfeited or expired			(107,386	)			8.41
Shares under option – December 31			1,106,436			$	7.15				4.53			$	741
Vested and expected to vest - December 31			1,003,942			$	7.17				4.36			$	674
Options exercisable – December 31			625,826			$	7.18				3.18			$	477

Year ended December 31, 2023
		Number of shares				Weighted average exercise price per share
Shares under option – January 1			1,425,693			$	6.72
Options granted			231,650				6.69
Options exercised			(254,393	)			5.83
Options forfeited or expired			(152,355	)			5.06
Shares under option – December 31			1,250,595			$	7.10
Options exercisable – December 31			789,209			$	7.56

Share-Based Payment Arrangement, Option, Exercise Price Range [Table Text Block]

				Option outstanding												Options exercisable
Range of exercise prices				Number of outstanding options				Weighted- average remaining contractual life				Weighted- average exercise price				Number of options exercisable				Weighted- average exercise price
$4.07	-	$6.51			316,702				4.01			$	5.68				235,589			$	5.83
$6.84	-	$6.97			317,594				5.21				6.88				176,157				6.92
$7.86	-	$7.86			258,060				6.95				7.86				0				0
$8.25	-	$9.85			214,080				1.37				8.89				214,080				8.89
$4.07	-	$9.85			1,106,436				4.53			$	7.15				625,826			$	7.18

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Tabular disclosure of share-based payment arrangement.

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