Note 3 - Acquisition (Details Textual) € in Thousands, $ in Thousands			4 Months Ended		6 Months Ended
	Mar. 12, 2024 USD ($) ft² shares	Mar. 12, 2024 EUR (€) shares	Jun. 30, 2024 USD ($)	Jun. 30, 2024 EUR (€)	Jun. 30, 2024 USD ($)	Mar. 12, 2024 EUR (€) ft²
Alfamation [Member]
Revenues			$ 11,098
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest			482
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
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities, Debt	$ 11,252		11,252		$ 11,252	€ 10,294
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