v3.26.1
Note 9 - Related Party Transactions (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Mar. 31, 2026
Dec. 31, 2025
Affiliated Entity [Member] | Tmg [Member]            
Related Party Transaction, Purchases from Related Party $ 0 $ 100 $ 1 $ 100    
Revenues 0 0 0 0    
Accounts Receivable, after Allowance for Credit Loss 0   0     $ 0
Accounts Payable 0   $ 0      
Affiliated Entity [Member] | Board of Directors Chairman [Member] | Tmg [Member]            
Limited Liability Company or Limited Partnership, Members or Limited Partners, Ownership Interest     50.00%      
Chart E&C [Member]            
Related Party Transaction, Purchases from Related Party 2,000 13 $ 2,000 100    
Revenues 0 $ 0 0 $ 0    
Accounts Receivable, after Allowance for Credit Loss 0   0     $ 0
Accounts Payable $ 1,000   $ 1,000      
Common Stock, Ownership Percentage         7.90%