Income Taxes - Classification & Deferred Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Components of loss before provision for income taxes
Domestic	$ (32,710)	$ (46,178)	$ (42,485)
Foreign	9,542	8,388	10,125
Loss before provision for income taxes	(23,168)	(37,790)	(32,360)
Current:
State	17	33	78
Foreign	2,723	1,722	2,918
Total current	2,740	1,755	2,996
Deferred:
Foreign	(404)	664	92
Total deferred	(404)	664	92
Total provision for income taxes	2,336	2,419	3,088
Income tax payable	2,300	400	2,000
Reconciliation of income taxes at the statutory federal income tax rate to the provision for income taxes
At federal statutory rate	(8,108)	(13,226)	(11,326)
State tax, net of federal benefit	17	33	78
Stock-based compensation expense	701	579	332
Debt extinguishment	338
Other non-deductible permanent items	877	779	752
Change in valuation allowance	10,370	14,744	13,997
Credits	(795)	(79)	(114)
Other	20		(112)
Foreign taxes	(1,084)	(411)	(519)
Total provision for income taxes	2,336	2,419	$ 3,088
Deferred tax assets:
Federal and state net operating losses	117,524	118,998
Accrued expenses and reserves	6,392	6,110
Deferred revenue	4,853	2,721
Credits	18,168	17,022
Share-based compensation expense	6,323	5,964
Capitalized research and development	5,882	3,959
Unicap	2,666	1,749
Other	859	372
Total deferred tax assets	162,667	156,895
Deferred tax liabilities:
Debt discount	(1,805)	(4,318)
Section 481 adjustment	(1,140)
Fixed assets/intangibles	(961)	(4,846)
Total deferred tax liabilities	(3,906)	(9,164)
Valuation allowance	(158,264)	(147,722)
Net deferred tax assets	497	$ 9
Income tax uncertainties
Cumulative amount of undistributed earnings upon which no U.S. income taxes provided	$ 22,400