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Income Taxes (Details 2) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2017
Difference between expected income tax provision applying domestic federal statutory tax rate and reported income tax provision
Expected provision (benefit) for federal income taxes at the statutory rate	$ 8,067	$ (3,408)	$ 857
State income taxes, net of federal benefit	2,288	247	808
Impairment of non-deductible goodwill	0	2,342	0
Charges without tax benefit	1,233	1,100	1,741
Change in valuation allowance	4,512	1,173	1,295
Reversal of branch liability	(3,546)	0	0
Excess tax expense (benefit) on stock-based compensation	(296)	511	(496)
Remeasurement of deferred taxes	0	(455)	0
IRS S199 deduction	0	0	(749)
Research and development and other tax credits	(1,972)	(1,665)	(1,626)
Foreign tax differential	(248)	(10)	1,496
Noncontrolling interest	0	0	(112)
Change in uncertain tax positions	22	(7)	(22)
Other	370	(496)	(884)
Provision (benefit) for federal, state and foreign income taxes	$ 10,430	$ (668)	$ 2,308

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