Schedule of Unrealized Loss Breakdown by Investment Type (Details) - USD ($)	Apr. 30, 2025	Apr. 30, 2024
Marketable Securities [Line Items]
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months	$ 2,112,000	$ 8,152,000
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(153,000)	(92,000)
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer	4,384,000	1,605,000
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(296,000)	(225,000)
Debt Securities, Available-for-Sale, Unrealized Loss Position	6,496,000	9,757,000
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss	(449,000)	(317,000)
Municipal Bonds [Member]
Marketable Securities [Line Items]
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months	550,000	5,897,000
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(21,000)	(20,000)
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer	2,108,000	773,000
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(114,000)	(80,000)
Debt Securities, Available-for-Sale, Unrealized Loss Position	2,658,000	6,670,000
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss	(135,000)	(100,000)
Real Estate Investment [Member]
Marketable Securities [Line Items]
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer	38,000	66,000
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(7,000)	(8,000)
Debt Securities, Available-for-Sale, Unrealized Loss Position	38,000	66,000
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss	(7,000)	(8,000)
Equity Securities [Member]
Marketable Securities [Line Items]
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months	1,562,000	2,255,000
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss	(132,000)	(72,000)
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer	2,238,000	766,000
Debt Securities, Available-for-Sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss	(175,000)	(137,000)
Debt Securities, Available-for-Sale, Unrealized Loss Position	3,800,000	3,021,000
Debt Securities, Available-for-Sale, Unrealized Loss Position, Accumulated Loss	$ (307,000)	$ (209,000)