Income Taxes - Reconciliation of the income tax (benefit) expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Income Taxes
Provision at federal statutory rate	$ 1,470	$ 124
Change in valuation allowance	(8,738)	(1,709)
Permanent differences	1	3
Net operating loss expiration and adjustment	521	2,284
Change in state tax rates	291	(244)
Change in uncertain tax positions	131	6
Foreign rate differential	(15)	(16)
State and foreign tax expense	419	77
(Income) loss attributable to non-controlling interest	(178)	28
Other	68	(513)
(Benefit) provision for income taxes	$ (6,030)	$ 40