Note 8 - Stock-based Compensation (Tables)

12 Months Ended

Dec. 31, 2024

Notes Tables

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

	For the Year Ended December 31,
	2024		2023
Stock options and restricted stock units, net of forfeitures	$	446	$	389
After-tax effect of stock based compensation	$	446	$	389

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

	2024					2023
	Number of Options			Weighted-Average Exercise Price		Number of Options			Weighted-Average Exercise Price
Outstanding at beginning of year		270,500		$	3.09		384,500		$	2.98
Granted		—			—		—			—
Exercised		—			—		(44,000	)		0.96
Expired or forfeited		(94,500	)		5.22		(70,000	)		3.85
Outstanding at end of year		176,000		$	1.94		270,500		$	3.09
Exercisable at end of year		176,000		$	1.94		270,500		$	3.09
Weighted-Average Remaining Contractual Life (years)					1.18					1.56
Aggregate Intrinsic Value				$	4				$	4

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

Options Outstanding and Exercisable
Range of Exercise Prices	Number of Options		Weighted-Average Remaining Contractual Life (years)		Weighted-Average Exercise Price
$0.96 - $1.27		44,000		2.9	$	0.97
$1.28 - $2.01		27,000		1.4		1.58
$2.02 - $2.44		105,000		0.4		2.44
		176,000		1.2	$	1.94

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

	Shares			Weighted Average Grant Date Fair Value
Unvested restricted stock units at December 31, 2022		767,048		$	1.32
Granted		1,040,200			1.26
Forfeited		—			—
Vested		(45,000	)		1.37
Unvested restricted stock units at December 31, 2023		1,762,248			1.29
Granted		151,000			1.09
Forfeited		(425,100	)		1.26
Vested		(406,026	)		1.32
Unvested restricted stock units at December 31, 2024		1,082,122		$	1.26