Fair Value Of Financial Instruments (Fair Value Of Assets And Liabilities Measured On Recurring Basis) (Details) - Recurring [Member] - USD ($)	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2020
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment	$ 0	$ 0
Cash, cash equivalents and restricted cash (included in other long term assets)	411,000	381,000
Fixed maturity investments (included in cash and cash equivalents)	3,090,000	3,158,000
Total assets at fair value	3,501,000	3,539,000
Quoted Price In Active Markets For Identical Assets (Level 1) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment	0	0
Cash, cash equivalents and restricted cash (included in other long term assets)	411,000	381,000
Fixed maturity investments (included in cash and cash equivalents)	3,090,000	3,158,000
Total assets at fair value	3,501,000	3,539,000
Significant Other Observable Inputs (Level 2) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment	0	0
Cash, cash equivalents and restricted cash (included in other long term assets)	0	0
Fixed maturity investments (included in cash and cash equivalents)	0	0
Total assets at fair value	0	0
Significant Unobservable Inputs (Level 3) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Investment	0	0
Cash, cash equivalents and restricted cash (included in other long term assets)	0	0
Fixed maturity investments (included in cash and cash equivalents)	0	0
Total assets at fair value	$ 0	$ 0	$ 0	$ 0