v3.26.3
Note 5 - Fair Value Measurements (Details Textual) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Jan. 01, 2027
Sep. 30, 2026
Nov. 14, 2024
Derivative Asset $ 2,703   $ 267  
Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Share Value, Amount, Current 0   114,038  
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]        
Business Acquisition, Percentage of Voting Interests Acquired     20.00% 80.00%
Financial Instruments Subject to Mandatory Redemption, Settlement Terms, Share Value, Amount, Current     $ 114,000  
Redeemable Noncontrolling Interest, Equity, Fair Value 93,200     $ 72,400
Enercon Technologies, Ltd [Member] | Forecast [Member]        
Business Acquisition, Percentage of Voting Interests Acquired   20.00%    
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 2 [Member]        
Business Combination, Contingent Consideration, Liability     5,000  
Foreign Exchange Forward [Member]        
Derivative Assets (Liabilities), at Fair Value, Net 1,800   300  
Interest Rate Swap [Member]        
Derivative Asset 900      
Investments Held in Rabbi Trust [Member]        
Debt Securities, Available-for-Sale $ 600   $ 900