Note 3 - Acquisition (Details Textual) € in Thousands, $ in Thousands			1 Months Ended	3 Months Ended
	Mar. 12, 2024 USD ($) ft² shares	Mar. 12, 2024 EUR (€) shares	Mar. 31, 2024 USD ($)	Mar. 31, 2024 USD ($)	Mar. 12, 2024 EUR (€) ft²
Alfamation [Member]
Revenues			$ 1,379
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest			$ (101)
Alfamation [Member]
Business Combination, Consideration Transferred	$ 22,353	€ 20,000
Payments to Acquire Businesses, Gross	$ 19,674	€ 18,000
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares) | shares	187,432	187,432
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable	$ 2,086
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred	593	€ 542
Business Combination, Acquisition Related Costs	$ 1,013			$ 1,013
Lessee, Operating Lease, Term of Contract (Year)	6 years				6 years
Area of Real Estate Property (Square Foot) | ft²	51,817				51,817
Annual Lease Payments	$ 284				€ 260