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Note 12 - Lease Commitments - Future Minimum Payments (Details) - USD ($)
Jul. 31, 2024
May 01, 2019
2025 [1] $ 1,075,000  
2026 1,461,000  
2027 1,493,000  
2028 882,000  
Total undiscounted future minimum lease payments 4,911,000  
Less: difference between undiscounted lease payments & the present value of future lease payments 419,000  
Operating Lease, Liability $ 4,492,000 $ 10,340,000
[1] Excludes the three months ended July 31, 2024