Note 10 - Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2025

Notes Tables

Schedule of Common Stock Outstanding Roll Forward [Table Text Block]

	Nine Months Ended September 30, 2025								Year Ended December 31, 2024
	Common Stock Issued		Held in Treasury			Common Stock Outstanding			Common Stock Issued		Held in Treasury			Common Stock Outstanding
Shares, beginning of year		5,454,639		(81,584	)		5,373,055			5,454,639		(81,584	)		5,373,055
Stock-based compensation		16,156		—			16,156			—		—			—
Shares issued from settlement of Warrants		68,996		—			68,996			—		—			—
Repurchases of common stock		—		(51,463	)		(51,463	)		—		—			—
Shares, end of period		5,539,791		(133,047	)		5,406,744			5,454,639		(81,584	)		5,373,055