Related Party and Other Financing Transactions - Summary of Related Party and Other Notes Payable (Details) - USD ($)	Dec. 31, 2020	Jun. 30, 2020
Total related party and other notes payable	$ 4,371,000	$ 4,654,000
Note payable - Hilton [Member]
Total related party and other notes payable	2,850,000	3,008,000
Note payable - Interstate [Member]
Total related party and other notes payable	1,521,000	1,646,000
SBA Loans [Member]
Total related party and other notes payable	5,172,000	5,172,000
Other Notes Payable [Member]
Total related party and other notes payable	$ 9,543,000	$ 9,826,000