Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Cash flows from operating activities
Net loss	$ (19,295)	$ (19,053)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	9,280	9,061
Share-based compensation	6,387	5,879
Amortization of debt issuance costs	782	771
Amortization and accretion of discount and premium on investments	63	536
Accretion of interest on debt	1,456	3,870
(Recovery of) provision for bad debt, net	(63)	128
Provision for write-down of inventories	665	729
Loss on disposal of property and equipment		8
Changes in assets and liabilities:
Restricted cash	421	950
Accounts receivable	(15,848)	10,959
Inventories	(2,559)	(5,669)
Prepaid expenses and other assets	1,425	(3,546)
Deferred cost of revenue	1,471	(2,678)
Accounts payable	10,070	6,715
Accrued liabilities	(3,446)	5,414
Customer advances	3,119	294
Deferred revenues	(5,317)	5,912
Net cash (used in) provided by operating activities	(11,389)	20,280
Cash flows from investing activities
Purchases of property and equipment, net	(3,136)	(4,125)
Purchases of investments	(14,992)	(33,130)
Sales and maturities of investments	23,190	29,505
Net cash provided by (used in) investing activities	5,062	(7,750)
Cash flows from financing activities
Proceeds from employee stock plans	2,050	2,055
Taxes paid related to net share settlement of equity awards	(737)	(2,841)
Payments made to note and loan holders	(42,483)
Net cash used in financing activities	(41,170)	(786)
Effect of exchange rate changes on cash and cash equivalents	(2,802)	(2,844)
Net increase (decrease) in cash and cash equivalents	(50,299)	8,900
Cash and cash equivalents at beginning of period	119,771	79,551
Cash and cash equivalents at end of period	$ 69,472	$ 88,451