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Income Taxes (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2019
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	$ (9,085)	$ (7,695)	$ 8,067
State income taxes, net of federal benefit	(1,240)	(768)	2,288
Impairment of non-deductible goodwill	0	1,813	0
Charges without tax benefit	961	1,707	1,233
Change in valuation allowance	2,797	3,062	4,512
Reversal of branch liability	0	0	(3,546)
Excess tax expense (benefit) on stock-based compensation	1,826	230	(296)
Research and development and other tax credits	(1,707)	(1,724)	(1,972)
Foreign tax differential	(96)	(132)	(248)
Effective Income Tax Rate Reconciliation, Prior Year Income Taxes, Amount	(5,223)	0	0
Change in uncertain tax positions	(7)	20	22
Other	(265)	(83)	370
Provision (benefit) for federal, state and foreign income taxes	(12,039)	$ (3,570)	$ 10,430
Amount of non-deductible goodwill impaired.	8,600
Operating Loss Carryforwards, Valuation Allowance	$ 1,500

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