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Income Taxes (Details 2) - USD ($) $ in Thousands | 12 Months Ended
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Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2016
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 | $ (3,408) | $ 857 | $ 13,879
State income taxes, net of federal benefit | 247 | 808 | 1,827
Impairment of non-deductible goodwill | 2,342 | 0 | 0
Charges without tax benefit | 1,100 | 1,741 | 2,187
Change in valuation allowance | 1,173 | 1,295 | 311
Excess tax benefits on stock-based compensation | 511 | (496) | 0
Remeasurement of deferred taxes | (455) | 0 | 0
IRS S199 deduction | 0 | (749) | (999)
Research and development and other tax credits | (1,665) | (1,626) | (1,928)
Foreign tax differential | (10) | 1,496 | (815)
Noncontrolling interest | 0 | (112) | 1,164
Change in uncertain tax positions | (7) | (22) | (569)
Adjustment to tax accounts | (435) | (924) | (786)
Other | (61) | 40 | (155)
Provision (benefit) for federal, state and foreign income taxes | $ (668) | $ 2,308 | $ 14,116

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