Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Allowance for credit losses	$ 108	$ 106
Accumulated depreciation	19,155	18,958
Accumulated amortization	$ 543	$ 525
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	40,000,000	40,000,000
Common stock, shares issued (in shares)	32,281,179	31,767,329
Common stock, shares outstanding (in shares)	31,074,438	30,708,273