Note J - Stock Option Plans (Tables)

12 Months Ended

Dec. 31, 2021

Notes Tables

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

	Number of Options			Weighted Averaged Exercise Price $		Weighted Average Remaining Contractual Life (Years)		Aggregate Intrinsic Options Value $
Options outstanding January 1, 2021		1,953,443		$	1.88		3.09	$	476,964
Granted during 2021		2,140,175			2.46		8.92		-
Exercised during 2021		(818,166	)		1.70		-		-
Forfeited or expired during 2021		(431,759	)		2.02		-		-
Options outstanding December 31, 2021		2,843,693		$	2.39		7.69		49,246
Exercisable, December 31, 2021		522,157			2.19		3.90		32,831

	Number of Options			Weighted Averaged Exercise Price $		Weighted Average Remaining Contractual Life (Years)		Aggregate Intrinsic Options Value $
Options outstanding January 1, 2021		74,997		$	1.41		3.18	$	54,748
Granted		24,999			3.28		4.43		-
Exercised		(8,333	)		1.70		-		-
Forfeited		(8,333	)		2.34		-		-
Options outstanding December 31, 2021		83,330			1.85		3.33		49,748
Exercisable, December 31, 2021		55,546			1.45		2.97		45,079

Restricted Stock [Member]

Notes Tables

Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]

Restricted Stock Awards	Shares			Weighted Average Grant-Date Fair Value per Award
Non-vested as January 31, 2021		-			-
Granted		116,399			2.36
Vested		-			-
Cancelled		(19,842	)		2.52
Non-vested as December 31, 2021		96,557			2.33