Mortgage and Commercial Loans Receivable - Components, RF (Details) - Mortgage Receivable [Member] - USD ($)	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Principal Balance at beginning of period	$ 1,738,000	$ 4,195,000
Deferred Fees/ Prepaid Interest Balance at beginning of period	(86,000)	(84,000)
Accrued Interest Balance at beginning of period	43,000	3,000
Principal Balance and Carrying Value Balance at beginning of period	1,695,000	4,114,000
Additions during the period:
New mortgage loans	1,420,000
Deductions during the period:
Collections of principal		(769,000)
Additions during the period:
Additions to deferred fees, Deferred Fees	(20,000)
Amortization of deferred fees, Deferred Fees	37,000	33,000
Additions during the period:
Interest due at maturity, Provision for Loan Loss	10,000
Deductions during the period:
Collections of principal	(1,638,000)
Additions during the period:
Amortization of deferred fees, Carrying Value	37,000	33,000
Deductions during the period:
Collections of principal		(769,000)
Principal Balance at end of period	1,520,000	3,426,000
Deferred Fees/ Prepaid Interest Balance at end of period	(69,000)	(51,000)
Accrued Interest Balance at end of period	53,000	3,000
Principal Balance and Carrying Value Balance at end of period	$ 1,504,000	$ 3,378,000