Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Cash flows from operating activities
Net loss	$ (13,846)	$ (14,101)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	4,174	5,007
Share-based compensation	4,899	5,870
Amortization of debt issuance costs	764	868
Amortization and accretion of discount and premium on investments		(10)
Accretion of interest on debt	1,626	1,727
Provision for bad debt	3,615	22
Provision for write-down of inventories	1,302	1,189
Loss on disposal of property and equipment	156	11
Loss on extinguishment of debt		3,192
Changes in assets and liabilities:
Accounts receivable	(21,518)	(10,156)
Inventories	(11,718)	(11,832)
Prepaid expenses and other assets	(3,587)	5,855
Deferred cost of revenue	405	1,206
Accounts payable	11,558	8,085
Accrued liabilities	(6,109)	(8,059)
Customer advances	(3,022)	2,787
Deferred revenues	(297)	(5,401)
Net cash used in operating activities	(31,598)	(13,740)
Cash flows from investing activities
Purchases of property and equipment, net	(2,218)	(1,977)
Purchases of investments		(5,940)
Sales and maturities of investments		6,000
Net cash used in investing activities	(2,218)	(1,917)
Cash flows from financing activities
Proceeds from employee stock plans	2,048	2,036
Taxes paid related to net share settlement of equity awards		(293)
Proceeds from debt, net of costs	5,000	66,111
Payments made to note and loan holders		(29,581)
Repayments under Revolving Credit Facility, net	(1,147)	(26,565)
Net cash provided by financing activities	5,901	11,708
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(266)	891
Net decrease in cash, cash equivalents and restricted cash	(28,181)	(3,058)
Cash, cash equivalents and restricted cash at beginning of period	93,533	85,235
Cash, cash equivalents and restricted cash at end of period	$ 65,352	$ 82,177