Note 7 - Stock-based Compensation (Tables)

6 Months Ended

Jun. 30, 2022

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, 2022		67,000		$	2.72		3.33	$	-
Exercised		(2,000	)	$	2.70		-	$	-
Forfeited		(7,000	)	$	2.58		-	$	-
Outstanding at June 30, 2022		58,000		$	2.74		3.29	$	3,000
Exercisable at June 30, 2022		50,000		$	2.74		2.99	$	-
Outstanding at January 1, 2021		417,000		$	2.79		1.61	$	2,000
Granted		6,000		$	2.92		7.00	$	-
Exercised		(22,000	)	$	2.65		-	$	-
Forfeited		(7,000	)	$	2.51		-	$	-
Outstanding at June 30, 2021		394,000		$	2.80		1.16	$	15,000
Exercisable at June 30, 2021		383,000		$	2.80		1.02	$	-