Income Taxes (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Reconciliation between the expected income tax provision applying the domestic federal statutory tax rate and the reported income tax provision
Expected provision (benefit) for federal income taxes at the statutory rate	$ (7,695)	$ 8,067	$ (3,408)
State income taxes, net of federal benefit	(768)	2,288	247
Impairment of non-deductible goodwill	1,813	0	2,342
Charges without tax benefit	1,707	1,233	1,100
Change in valuation allowance	3,062	4,512	1,173
Reversal of branch liability	0	(3,546)	0
Excess tax expense (benefit) on stock-based compensation	230	(296)	511
Remeasurement of deferred taxes	0	0	(455)
Research and development and other tax credits	(1,724)	(1,972)	(1,665)
Foreign tax differential	(132)	(248)	(10)
Change in uncertain tax positions	20	22	(7)
Other	(83)	370	(496)
Provision (benefit) for federal, state and foreign income taxes	(3,570)	$ 10,430	(668)
Amount of non-deductible goodwill impaired.	$ 8,600		$ 8,300