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Note 3 - Debt (Details Textual) - USD ($)
$ in Thousands
4 Months Ended 9 Months Ended
Dec. 21, 2021
Apr. 30, 2022
Jan. 28, 2023
Term Loan Facility [Member]      
Debt Instrument, Face Amount $ 50,000    
Proceeds from Issuance of Long-Term Debt, Total   $ 50,000  
Long-Term Debt, Gross   $ 30,000  
Long-Term Debt, Total     $ 0
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] | Term Loan Facility [Member]      
Debt Instrument, Basis Spread on Variable Rate 0.95%    
Revolving Credit Facility [Member]      
Line of Credit Facility, Maximum Borrowing Capacity     100,000
Long-term Line of Credit, Total     0
Letters of Credit Outstanding, Amount     2,200
Line of Credit Facility, Remaining Borrowing Capacity     $ 97,800
Revolving Credit Facility [Member] | London Interbank Offered Rate (LIBOR) [Member]      
Debt Instrument, Basis Spread on Variable Rate     1.50%