Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
Cash flows from operating activities
Net loss	$ (9,206)	$ (9,382)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	2,129	2,514
Share-based compensation	3,212	2,432
Amortization of debt issuance costs	380	448
Accretion of interest on debt	811	862
Provision for bad debt	3,737	8
Provision for write-down of inventories	713	354
Loss on disposal of property and equipment	19	11
Loss on extinguishment of debt	0	3,192
Changes in assets and liabilities:
Accounts receivable	(1,377)	1,932
Inventories	(10,150)	(8,792)
Prepaid expenses and other assets	(1,096)	2,506
Deferred cost of revenue	459	991
Accounts payable	6,256	4,791
Accrued liabilities	(8,564)	(11,653)
Customer advances	(3,723)	2,374
Deferred revenues	(1,423)	(5,615)
Net cash used in operating activities	(17,823)	(13,027)
Cash flows from investing activities
Purchases of property and equipment, net	(1,602)	(929)
Net cash used in investing activities	(1,602)	(929)
Cash flows from financing activities
Proceeds from employee stock plans	837	900
Taxes paid related to net share settlement of equity awards	0	(19)
Proceeds from debt, net of costs	0	27,282
Payments made to note and loan holders	0	(29,581)
Borrowings (repayments) under Revolving Credit Facility, net	(3,263)	251
Net cash used in financing activities	(2,426)	(1,167)
Effect of exchange rate changes on cash, cash equivalents and restricted cash	(377)	684
Net decrease in cash, cash equivalents and restricted cash	(22,228)	(14,439)
Cash, cash equivalents and restricted cash at beginning of period	93,533	85,235
Cash, cash equivalents and restricted cash at end of period	$ 71,305	$ 70,796