Note 10 - Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2026

Notes Tables

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

	Nine Months Ended September 30, 2026									Year Ended December 31, 2025
	Common Stock Issued			Held in Treasury			Common Stock Outstanding			Common Stock Issued		Held in Treasury			Common Stock Outstanding
Shares, beginning of year		6,307,997			(133,047	)		6,174,950			5,454,639		(81,584	)		5,373,055
Stock-based compensation		162,402			—			162,402			16,156		—			16,156
Shares withheld for employee taxes		(1,379	)		—			(1,379	)		—		—			—
Shares issued from settlement of warrants		214,462			—			214,462			837,202		—			837,202
Shares issued for settlement of subscription rights		6,062,714			—			6,062,714			—		—			—
Repurchases of common stock		—			—			—			—		(51,463	)		(51,463	)
Shares, end of period		12,746,196			(133,047	)		12,613,149			6,307,997		(133,047	)		6,174,950