v3.25.2
Note 6 - Subsequent Event (Details Textual) - USD ($)
$ in Millions
Aug. 05, 2025
Jul. 29, 2025
Jun. 30, 2025
Jun. 29, 2025
Jul. 07, 2021
Revolving Credit Facility [Member]          
Line of Credit Facility, Maximum Borrowing Capacity     $ 80   $ 80
Revolving Credit Facility [Member] | MT [Member]          
Line of Credit Facility, Maximum Borrowing Capacity         $ 80
Subsequent Event [Member] | Essco Holding Inc. [Member]          
Payments to Acquire Businesses, Gross $ 84        
Subsequent Event [Member] | Revolving Credit Facility [Member] | Three Lenders [Member]          
Number of Lenders   three   three  
Line of Credit Facility, Maximum Borrowing Capacity   $ 150   $ 150