Note 6 - Fair Value Measurements (Details Textual) $ in Thousands	3 Months Ended
	Mar. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Nov. 14, 2024 USD ($)
Derivative Asset	$ 2,141	$ 2,730
Long-Term Debt, Fair Value	279,600	286,600
Long-Term Debt, Gross	280,000	287,500
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
Business Combination, Contingent Consideration, Change in Contingent Consideration, Liability, Increase (Decrease)	600
Enercon Technologies, Ltd [Member] | Earnout Payment [Member] | Fair Value, Inputs, Level 3 [Member]
Business Combination, Contingent Consideration, Liability	$ 4,063	$ 3,487
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	0.426	0.521
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
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	0.0626	0.0666
Foreign Exchange Forward [Member]
Derivative Assets (Liabilities), at Fair Value, Net	$ (500)	$ (1,000)
Interest Rate Swap [Member]
Derivative Asset	2,100	2,700
Investments Held in Rabbi Trust [Member]
Debt Securities, Available-for-Sale	$ 400	$ 600