Note 7 - Stock-based Compensation (Tables)

9 Months Ended

Sep. 30, 2021

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, 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 September 30, 2021		394,000		$	2.80		0.90	$	17,000
Exercisable at September 30, 2021		383,000		$	2.80		0.77	$	-
Outstanding at January 1, 2020		450,000		$	2.78		2.44	$	27,000
Granted		10,000		$	1.88		7.00	$	-
Forfeited		(40,000	)	$	2.58		-	$	-
Outstanding at September 30, 2020		420,000		$	2.78		1.86	$	-
Exercisable at September 30, 2020		403,000		$	2.80		1.69	$	-