Note 7 - Stock-based Compensation (Tables)

3 Months Ended

Mar. 31, 2024

Notes Tables

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

	Stock Options			Grant Date Weighted- Average Exercise Price		Weighted- Average Remaining Contractual Life (in Years)		Intrinsic Value
Outstanding at January 1, 2024		146,000		$	2.83		5.44	$	-
Outstanding at March 31, 2024		146,000		$	2.83		5.19	$	5,000
Exercisable at March 31, 2024		42,000		$	2.86		3.84	$	-
Outstanding at January 1, 2023		95,000		$	2.76		4.83	$	25,000
Granted		50,000		$	2.93		7.00	$	-
Forfeited		(2,000	)	$	3.90		-	$	-
Outstanding at March 31, 2023		143,000		$	2.80		4.76	$	26,000
Exercisable at March 31, 2023		48,000		$	2.73		2.51	$	-