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INCOME TAXES - Additional information (Details) - USD ($)
12 Months Ended
Apr. 30, 2025
Apr. 30, 2024
INCOME TAXES    
Federal net operating loss carryforwards $ 32,471,000  
Federal net operating losses is limited of taxable income 80.00%  
Ownership change one or more shareholders own at least 5.00%  
Company's stock increase their ownership 50.00%  
Lowest ownership percentage within a rolling 3 years  
Operating loss carryforwards state subject to expiration current $ 44,668,000  
Unrecognized Tax Benefits 0 $ 0
Income tax examination, penalties and interest accrued $ 0 $ 0