Note J - Stock Option Plans (Tables)

12 Months Ended

Dec. 31, 2022

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, 2022		2,843,693		2.39		7.69		49,246
Granted during 2022		216,296		1.52		2.23		-
Exercised during 2022		-		-		-		-
Forfeited or expired during 2022		-		-		-		-
Options outstanding December 31, 2022		3,059,989		2.36		6.38		-
Exercisable, December 31, 2022		1,026,987		2.18		4.93		-

	Number of Options		Weighted Averaged Exercise Price $		Weighted Average Remaining Contractual Life (Years)		Aggregate Intrinsic Options Value $
Options outstanding January 1, 2022		83,330		1.85		3.33		49,748
Granted during 2022		8,333		0.73		4.80		-
Exercised during 2022		-		-		-		-
Options outstanding December 31, 2022		91,663		1.75		2.55		1,083
Exercisable, December 31, 2022		77,776		1.66		2.30		1,083

Restricted Stock [Member]

Notes Tables

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

	Number of Shares			Weighted Average Grant-Date Fair Value per Award
Non-vested as January 1, 2022		96,557			2.33
Granted		975,148			0.86
Vested		(449,695	)		-
Cancelled		(186,717	)		-
Non-vested as December 31, 2022		435,293			1.18