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Note 5 - Fair Value Measurements (Details Textual) $ in Thousands	12 Months Ended
	Dec. 31, 2025 USD ($)	Jun. 30, 2026 USD ($)	Mar. 31, 2026	Nov. 14, 2024 USD ($)
Derivative Asset	$ 2,703	$ 2,138
Impairment of Intangible Assets, Indefinite-Lived (Excluding Goodwill)	0
Long-Term Debt, Gross	197,500	0
Long-Term Debt, Fair Value	196,500	0
Fair Value, Nonrecurring [Member]
Assets, Fair Value Disclosure, Total	0	0
Enercon Technologies, Ltd [Member] \| Earnout Payment [Member]
Business Combination, Contingent Consideration, Liability				$ 3,300
Enercon Technologies, Ltd [Member] \| Earnout Payment [Member] \| Fair Value, Inputs, Level 3 [Member]
Business Combination, Contingent Consideration, Liability	$ 6,625	$ 2,561
Enercon Technologies, Ltd [Member] \| Earnout Payment [Member] \| Fair Value, Inputs, Level 3 [Member] \| Measurement Input, Price Volatility [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input	0.521	0.725
Enercon Technologies, Ltd [Member] \| Earnout Payment [Member] \| Fair Value, Inputs, Level 3 [Member] \| Measurement Input, Expected Term [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input	2		2
Enercon Technologies, Ltd [Member] \| Earnout Payment [Member] \| Fair Value, Inputs, Level 3 [Member] \| Measurement Input, Discount Rate [Member]
Business Combination, Contingent Consideration, Liability, Measurement Input	0.0666	0.0618
Foreign Exchange Forward [Member]
Derivative Assets (Liabilities), at Fair Value, Net	$ 1,800	$ 1,900
Interest Rate Swap [Member]
Derivative Asset	900	300
Investments Held in Rabbi Trust [Member]
Debt Securities, Available-for-Sale	$ 600	$ 200