Note 8 - Options: Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range (Tables)

12 Months Ended

Dec. 31, 2024

Tables/Schedules

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range

				Options Outstanding				Options Exercisable
					Weighted
					Average
					Remaining		Weighted			Weighted
	Range of			Actual	Contractual		Average			Average
	Exercise			Number	Life		Exercise	Number		Exercise
	Prices			Outstanding	(Years)		Price	Exercisable		Price
$	58.50	-	64.09	29,575	8.49	$	63.15	4,975	$	58.50
	74.64	-	77.07	48,310	6.39		76.60	34,210		76.41
	82.60	-	82.60	20,100	7.78		82.60	10,050		82.60
$	58.50	-	82.60	97,985	7.31	$	73.77	49,235	$	75.86

	2024	2023	2022
Intrinsic Value of Stock Options Exercised	$77	$31	$141
Intrinsic Value of Stock Options Outstanding	-	814	1,812