v3.26.1
Schedule of Unrealized Loss Breakdown by Investment Type (Details) - USD ($)
Jan. 31, 2026
Apr. 30, 2025
Marketable Securities [Line Items]    
Less than 12 months, Fair Value $ 767,000 $ 2,112,000
Less than 12 months, Unrealized Loss (50,000) (153,000)
12 months or greater, Fair Value 1,354,000 4,384,000
12 months or greater, Unrealized Loss (133,000) (296,000)
Total, Fair Value 2,121,000 6,496,000
Total, Unrealized Loss (183,000) (449,000)
Municipal Bonds [Member]    
Marketable Securities [Line Items]    
Less than 12 months, Fair Value 37,000 550,000
Less than 12 months, Unrealized Loss (21,000)
12 months or greater, Fair Value 1,049,000 2,108,000
12 months or greater, Unrealized Loss (63,000) (114,000)
Total, Fair Value 1,086,000 2,658,000
Total, Unrealized Loss (63,000) (135,000)
Real Estate Investment [Member]    
Marketable Securities [Line Items]    
Less than 12 months, Fair Value
Less than 12 months, Unrealized Loss
12 months or greater, Fair Value 36,000 38,000
12 months or greater, Unrealized Loss (9,000) (7,000)
Total, Fair Value 36,000 38,000
Total, Unrealized Loss (9,000) (7,000)
Equity Securities [Member]    
Marketable Securities [Line Items]    
Less than 12 months, Fair Value 730,000 1,562,000
Less than 12 months, Unrealized Loss (50,000) (132,000)
12 months or greater, Fair Value 269,000 2,238,000
12 months or greater, Unrealized Loss (61,000) (175,000)
Total, Fair Value 999,000 3,800,000
Total, Unrealized Loss $ (111,000) $ (307,000)