Note 7 - Stock-based Compensation (Tables)

3 Months Ended

Mar. 31, 2025

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, 2025		42,000	$	2.74		3.65	$	17,000
Outstanding at March 31, 2025		42,000	$	2.74		3.40	$	5,000
Exercisable at March 31, 2025		24,000	$	2.70		2.22	$	-
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	$	-