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Note 12 - Lease Commitments - Future Minimum Payments (Details) - USD ($)
Jan. 31, 2024
May 01, 2019
2024 * [1] $ 413,000  
2025 1,429,000  
2026 1,461,000  
2027 1,493,000  
2028 883,000  
Total undiscounted future minimum lease payments 5,679,000  
Less: difference between undiscounted lease payments & the present value of future lease payments 548,000  
Operating lease liabilities, Total $ 5,131,000 $ 10,340,000
[1] Excludes the three months ended July 31, 2023