Note 7 - Stock Option Plans (Tables)

3 Months Ended

Mar. 31, 2025

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 at January 1, 2025		2,951,989		2.29		4.54		-
Granted during 2025		-		-				-
Exercised during 2025		-		-		-		-
Forfeited or expired during 2025		-		-		-		-
Options outstanding March 31, 2025		2,951,989		2.33		4.29		-
Exercisable, March 31, 2025		2,103,433		2.29		3.72		-

	Number of Options			Weighted Averaged Exercise Price $		Weighted Average Remaining Contractual Life (Years)		Aggregate Intrinsic Options Value $
Options outstanding at January 1, 2025		99,996			1.74		2.12		5,750
Granted during 2025		16,666			0.94		4.94
Exercised during 2025		-
Forfeited or expired during 2025		(8,333	)		1.65
Options outstanding March 31, 2025		108,329			1.62		2.49		4,750
Exercisable, March 31, 2025		83,326			1.83		1.87		3,722

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, 2025		365,171			0.89
Granted		-			-
Vested		(182,584	)		0.89
Cancelled		(28,090	)		0.89
Non-vested as March 31, 2025		154,497			0.89