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Note 12 - Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2025

Notes Tables

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

						Weighted
						Average
		Number of				Exercise
		Options				Price
Outstanding at December 31, 2024			663,004			$	6.69
Granted			27,500				2.58
Forfeited			(32,750	)			8.65
Outstanding at September 30, 2025			657,754			$	6.42
Vested and Exercisable at September 30, 2025			421,731			$	8.42

Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

		Nine Months Ended September 30,
		2025			2024
Expected volatility		88.38% - 90.10%			89.04% - 90.37%
Expected term (Years)		6.5 - 7			6.5 - 7
Risk-free interest rate		3.79% - 4.14%			3.67% - 4.25%
Weighted-average FV		$1.25			$4.45

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

		Shares			Weighted Average Grant Date Fair Value
Unvested at beginning of 2025		35,625			$13.05
Granted		-			-
Vested		(35,625	)		2.59
Forfeited		-			-
Unvested at September 30, 2025		-			-

Nonvested Restricted Stock Shares Activity [Table Text Block]

		Shares				Weighted Average Grant Date Fair Value
Unvested at December 31, 2024			-			$	-
Granted			121,359				3.09
Vested			(91,020	)			2.13
Forfeited			-				-
Unvested at September 30, 2025			30,339			$	3.09

Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]

		Number of Shares of Common Stock Underlying Warrants				Weighted Average Exercise Price
Outstanding at December 31, 2024			200,000			$	17.00
Granted			-				-
Expired			-				-
Exercised			-				-
Outstanding at September 30, 2025			200,000			$	17.00

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Tabular disclosure of the changes in outstanding nonvested restricted stock shares.

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