Leases (Details) - USD ($)	3 Months Ended		6 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2020	Dec. 31, 2019
Leases
Term of lease		12 months		12 months
Forfeiture of security deposit	$ 46,000
Weighted-average remaining lease term for operating leases		54 months		54 months
Weighted-average discount rate used for operating leases	6.50%		6.50%
Amounts included in the financial statements related to leases
Operating lease cost	$ (25,000)	$ 54,000	$ 34,000	$ 109,000
Gross sublease income	0	48,000	4,000	100,000
Operating cash flows from operating leases	$ (19,000)	$ (6,000)	$ (74,000)	$ (9,000)