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Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Income Tax Contingency [Line Items]
Operating loss carry-forwards	$ 27,719	$ 18,812
Income taxes have not been provided for cumulative undistributed earnings	2,800
Interest and penalties related to the unrecognized tax benefits	1,000
Unrecognized tax benefits that if recognized would affect the effective tax rate	1,100
Federal [Member]
Income Tax Contingency [Line Items]
Operating loss carry-forwards	$ 69,500	45,300
Operating loss carry-forwards, expire date	Jun. 30, 2035
Research and development carry-forwards	$ 2,100
Tax credit carry-forwards, expire date	Jun. 30, 2033
Federal [Member] | Earliest Tax Year [Member]
Income Tax Contingency [Line Items]
Open tax year	2013
Federal [Member] | Latest Tax Year [Member]
Income Tax Contingency [Line Items]
Open tax year	2016
Federal [Member] | Stock option windfall deductions [Member]
Income Tax Contingency [Line Items]
Operating loss carry-forwards	$ 100
State [Member]
Income Tax Contingency [Line Items]
Operating loss carry-forwards	$ 37,100	$ 28,700
Operating loss carry-forwards, expire date	Jun. 30, 2034
State [Member] | Earliest Tax Year [Member]
Income Tax Contingency [Line Items]
Open tax year	2012
State [Member] | Latest Tax Year [Member]
Income Tax Contingency [Line Items]
Open tax year	2016
Other State [Member] | Stock option windfall deductions [Member]
Income Tax Contingency [Line Items]
Operating loss carry-forwards	$ 200
International [Member] | Earliest Tax Year [Member]
Income Tax Contingency [Line Items]
Open tax year	2014
International [Member] | Latest Tax Year [Member]
Income Tax Contingency [Line Items]
Open tax year	2016
California [Member] | State [Member]
Income Tax Contingency [Line Items]
Research and development carry-forwards	$ 5,400
California [Member] | State [Member] | Stock option windfall deductions [Member]
Income Tax Contingency [Line Items]
Operating loss carry-forwards	300
Brazil [Member] | International [Member]
Income Tax Contingency [Line Items]
Operating loss carry-forwards	2,300
India [Member] | International [Member]
Income Tax Contingency [Line Items]
Operating loss carry-forwards	$ 4,800
Operating loss carry-forwards, expire date	Jun. 30, 2021

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