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Income Taxes - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2015
Operating Loss Carryforwards [Line Items] |  |  |  |
Effective tax rate | 28.00% | 35.00% | 35.00% |
Adjustment to income tax expense for the remeasurement of deferred taxes | $ 44,500 |  |  |
Valuation allowance | $ 12,716 | $ 10,324 |  |
Period of net operating loss carryover | 15 years |  |  |
Amount recorded in connection with inventory | $ 131 |  |  |
Expected decrease in unrecognized tax benefits, next 12 months | 131 |  |  |
Unrecognized tax benefits that would impact effective tax rate | $ 317 |  |  |
Prior Fiscal Years |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Unrecognized tax benefits, amount recorded in prior fiscal years |  |  |  | $ 62
Tax Year 2015 |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |
Unrecognized tax benefits, amount recorded in prior fiscal years |  |  |  | $ 4

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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
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