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Note J - Commitments and Contingencies (Tables)
3 Months Ended
Jul. 31, 2023
Notes Tables  
Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block]

Maturity of lease liabilities

       

2024 (remaining)

  $ 6,485  

2025

    8,604  

2026

    8,157  

2027

    7,749  

2028

    7,130  

Thereafter

  $ 45,003  

Total undiscounted operating lease payments

    83,128  

Less: imputed interest

    (18,246 )

Present value of operating lease liabilities

  $ 64,882