v3.25.4
Note 6 - Investment in Foreign Joint Venture (Details Textual) - USD ($)
$ in Thousands
2 Months Ended 12 Months Ended
Mar. 01, 2025
Mar. 01, 2024
Dec. 31, 2025
Dec. 31, 2024
Revenue from Contract with Customer, Excluding Assessed Tax $ 68,245 $ 73,293 $ 68,245 $ 73,293
Affiliated Entity [Member]        
Revenue from Contract with Customer, Excluding Assessed Tax     $ 0 0
Bomay [Member]        
Equity Method Investment, Ownership Percentage     40.00%  
Equity Method Investment, Summarized Financial Information Accumulated Statutory Reserve     $ 2,660 2,660
Accretion (Amortization) of Discounts and Premiums, Investments     $ 100 $ 100
Bomay [Member] | Baoji Oilfield Machinery Co Ltd [Member]        
Equity Method Investment, Ownership Percentage     51.00%  
Bomay [Member] | A A Energies Inc [Member]        
Equity Method Investment, Ownership Percentage     9.00%