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Note 8 - Stock Option Plans (Tables)

6 Months Ended

Jun. 30, 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			(216,296	)			1.52				-				-
Options outstanding June 30, 2025			2,735,693				2.39				4.38				-
Exercisable, June 30, 2025			2,335,694				2.38				4.14				-

		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				4.69
Exercised during 2025			-				-
Forfeited or expired during 2025			(24,999	)			1.70
Options outstanding June 30, 2025			91,663				1.60				2.68				-
Exercisable, June 30, 2025			66,660				1.86				2.06				-

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			(337,081	)			0.89
Cancelled			(28,090	)			0.89
Non-vested as June 30, 2025			-				-

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Tabular disclosure of share-based payment arrangement.

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