Note 6 - Fair Value Measurements (Details Textual) $ in Thousands	Dec. 31, 2024 USD ($)	Nov. 14, 2024 USD ($)	Dec. 31, 2023 USD ($)
Derivative Asset	$ 2,730		$ 4,446
Long-Term Debt, Fair Value	286,600		60,000
Long-Term Debt, Gross	287,500		60,000
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	$ 3,487		0
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
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	0.0666
Foreign Exchange Forward [Member]
Derivative Assets (Liabilities), at Fair Value, Net	$ (1,000)		500
Interest Rate Swap [Member]
Derivative Asset	2,700		4,000
Investments Held in Rabbi Trust [Member]
Debt Securities, Available-for-Sale	$ 600		$ 300