Note 3 - Acquisition (Details Textual) € in Thousands, $ in Thousands					7 Months Ended		9 Months Ended
	Mar. 13, 2024 USD ($)	Mar. 13, 2024 EUR (€)	Mar. 12, 2024 USD ($) ft² shares	Mar. 12, 2024 EUR (€) shares	Sep. 30, 2024 USD ($)	Sep. 30, 2024 EUR (€)	Sep. 30, 2024 USD ($)	Mar. 12, 2024 EUR (€) ft²
Alfamation [Member]
Revenues					$ 16,479
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest					292
Alfamation [Member]
Business Combination, Consideration Transferred				€ 20,000	21,901
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	$ 141	€ 129			141	€ 129
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities, Debt			$ 11,274		11,274		$ 11,274	€ 10,315
Business Combination, Acquisition Related Costs					$ 1,139		$ 1,139
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