Note 10 - Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2024

Notes Tables

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

	Year Ended December 31,
	2024							2023
	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		5,434,521		(81,584	)		5,352,937
Stock-based compensation		—		—			—		20,118		—			20,118
Shares, end of year		5,454,639		(81,584	)		5,373,055		5,454,639		(81,584	)		5,373,055