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Note 6 - Stock-based Compensation

6 Months Ended

Jun. 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								Six-month period ended
		June 30,				June 30,				June 30,				June 30,
		2025				2024				2025				2024
Stock options		$	190			$	152			$	378			$	308
Restricted stock			45				7				84				12
Total		$	235			$	159			$	462			$	320

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 June 30, 2025, there was $733 of total unrecognized compensation cost related to outstanding stock options, which is expected to be recognized over a weighted average period of 1.1 years.

The following table summarizes stock option activity for the six-month period ended June 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			(9,367	)			6.52
Forfeited or expired			(99,005	)		$	9.26
Outstanding at June 30, 2025			998,064			$	6.95				4.34			$	2,025
Vested and expected to vest at June 30, 2025			900,507			$	6.94				4.20			$	1,835
Exercisable at June 30, 2025			540,052			$	6.77				3.09			$	1,192

Cash received from stock option exercises under our stock-based compensation plans for the three-month periods ended June 30, 2025 and June 30, 2024 was $61 and $1,251, respectively. Cash received from stock option exercises under our stock-based compensation plans for the six-month periods ended June 30, 2025 and June 30, 2024 was $61 and $1,936, respectively.

Restricted stock awards vest in equal annual installments over three (3) years. Unrecognized compensation cost related to unvested restricted shares at June 30, 2025 and June 30, 2024, respectively, was $171 and $25.