Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash flows from operating activities:
Net loss:	$ (6,479)	$ (11,526)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation	2,437	3,076
Amortization of intangible assets	7,640	8,891
Provision for doubtful accounts and allowance for product returns	223	556
Stock-based compensation	3,475	4,671
Non-cash restructuring charges		1,344
Other non-cash charges	695	(326)
Changes in operating assets and liabilities, net
Accounts receivable	12,950	31,851
Inventories	(2,405)	(3,666)
Prepaid expenses and other assets	1,562	(1,132)
Accounts payable	(3,154)	(10,202)
Accrued compensation and benefits	(7,318)	(3,820)
Deferred revenue	(2,622)	(4,125)
Deferred distributor revenue, net of cost of sales to distributors	3,412	(6,899)
Other current and long term liabilities	(842)	(2,167)
Net cash provided by operating activities	9,574	6,526
Cash flows from investing activities:
Capital expenditures	(1,635)	(633)
Net cash used in investing activities	(1,635)	(633)
Cash flows from financing activities:
Repayment of debt	(3,250)	(1,625)
Proceeds from issuance of common stock	3,416	1,855
Net cash provided by financing activities	166	230
Foreign currency effect on cash	38	(323)
Net increase in cash and cash equivalents	8,143	5,800
Cash and cash equivalents at beginning of period	94,122	76,225
Cash and cash equivalents at end of period	$ 102,265	$ 82,025