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Note 6 - Stock-based Compensation

9 Months Ended

Sep. 30, 2025

Notes to Financial Statements

Shareholders' Equity and Share-Based Payments [Text Block]

6.

STOCK-BASED COMPENSATION

We recorded non-cash stock compensation expense in each period as follows:

		Three-month period ended								Nine-month period ended
		September 30,				September 30,				September 30,				September 30,
		2025				2024				2025				2024
Stock options		$	192			$	164			$	570			$	472
Restricted stock			44				6				128				18
Total		$	236			$	170			$	698			$	490

We have stock options outstanding from various stock-based employee compensation plans for which we record compensation cost relating to share-based payment transactions in our financial statements. As of September 30, 2025, there was $542 of total unrecognized compensation cost related to outstanding stock options, which is expected to be recognized over a weighted average period of 0.9 years.

The following table summarizes stock option activity for the nine-month period ended September 30, 2025:

		Number of Shares				Weighted Average Exercise Price				Weighted Average Remaining Contractual Term (years)				Aggregate Intrinsic Value
Outstanding at January 1, 2025			1,106,436			$	7.15
Granted			-				-
Exercised			(15,982	)		$	6.10
Forfeited or expired			(103,357	)		$	9.17
Outstanding at September 30, 2025			987,097			$	6.96				4.06			$	343
Vested and expected to vest at September 30, 2025			891,035			$	6.95				3.91			$	315
Exercisable at September 30, 2025			535,372			$	6.78				2.81			$	242

Cash received from stock option exercises under our stock-based compensation plans for the three-month periods ended September 30, 2025 and 2024 was $37 and $24, respectively. Cash received from stock option exercises under our stock-based compensation plans for the nine-month periods ended September 30, 2025 and 2024 was $98 and $1,960, respectively.

Restricted stock awards vest in equal annual installments over three (3) years. Unrecognized compensation cost related to unvested restricted shares at September 30, 2025 and 2024, respectively, was $126 and $19.