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Note 9 - Debt (Details Textual) - USD ($)
$ in Millions
1 Months Ended 3 Months Ended
Sep. 30, 2025
Sep. 30, 2025
Sep. 30, 2021
Line of Credit Facility, Maximum Borrowing Capacity     $ 100
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]   Secured Overnight Financing Rate (SOFR) [Member]  
Minimum [Member]      
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 0.15%    
Maximum [Member]      
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 0.25%    
Revolving Credit Facility [Member]      
Line of Credit Facility, Maximum Borrowing Capacity $ 125 $ 125 75
Debt Instrument, Basis Spread on Variable Rate   1.00%  
Debt Instrument, Interest Rate, Effective Percentage 5.50% 5.50%  
Line of Credit Facility, Remaining Borrowing Capacity $ 73 $ 73  
Revolving Credit Facility [Member] | Minimum [Member]      
Debt Instrument, Basis Spread on Variable Rate 1.00%    
Revolving Credit Facility [Member] | Maximum [Member]      
Debt Instrument, Basis Spread on Variable Rate 2.25%    
Term Loan [Member]      
Debt Instrument, Face Amount     $ 25