Note I - Stock Option Plans (Tables)

12 Months Ended

Dec. 31, 2023

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, 2023		3,059,989			2.36		6.38		-
Granted during 2023		-			-		-		-
Exercised during 2023		-			-		-		-
Forfeited or expired during 2023		(23,000	)		-		-		-
Options outstanding December 31, 2023		3,036,989			2.29		5.41		-
Exercisable, December 31, 2023		1,732,084			2.21		4.34		-

	Number of Options			Weighted Averaged Exercise Price $		Weighted Average Remaining Contractual Life (Years)		Aggregate Intrinsic Options Value $
Options outstanding January 1, 2023		91,663			1.75		2.55		1,083
Granted during 2023		8,333			0.89		4.21		-
Exercised during 2023		(8,333	)		0.75		-		-
Options outstanding December 31, 2023		91,663			1.76		2.25		2,833
Exercisable, December 31, 2023		83,332			1.86		1.79		2,833

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, 2023		435,293			1.18
Granted		617,978			0.89
Vested		(694,658	)		-
Cancelled		(30,676	)		-
Non-vested as December 31, 2023		327,937			0.91