Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Operating activities
Net loss	$ (5,009)	$ (339)	$ (10,025)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:
Depreciation and amortization	1,030	1,095	1,378
Deferred income taxes	(219)	55	(57)
Loss (gain) on disposal of property and equipment		50	(65)
Stock-based compensation	924	2,022	836
Impairment of goodwill and other intangible assets			1,708
Net changes in operating assets and liabilities:
Accounts receivable	(666)	115	1,336
Inventories	(1,442)	(2,215)	(175)
Other assets	108	33	(29)
Accounts payable	(2,089)	622	868
Other accrued liabilities and deferred revenue	(528)	(580)	(747)
Other liabilities	(252)	96	260
Net cash provided by (used in) operating activities	(8,143)	954	(4,712)
Investing activities
Purchase of property and equipment	(531)	(240)	(86)
Proceeds from sale of property and equipment		17	127
Restricted cash	116	(194)
Net cash provided by (used in) investing activities	(415)	(417)	41
Financing activities
Borrowings from (repayments of) line of credit, net			(5,500)
Principal payments on capital leases and long-term obligations		(8)	(59)
Proceeds from employee stock plans	512	1,792	512
Net proceeds from common stock issued under public offering	7,888
Net proceeds from issuance of preferred stock			7,608
Cash dividends paid on redeemable convertible preferred stock			(171)
Costs of conversion of redeemable convertible preferred stock		(34)
Payment for taxes for restricted stock awards surrendered to satisfy tax obligations		(499)	(85)
Net cash provided by financing activities	8,400	1,251	2,305
Effect of exchange rates on cash and cash equivalents	1,066	(462)	(82)
Increase (decrease) in cash and cash equivalents	908	1,326	(2,448)
Cash and cash equivalents, beginning of period	7,600	6,274	8,722
Cash and cash equivalents, end of period	8,508	7,600	6,274
Cash paid during the period for:
Interest	46	3	71
Income taxes	29	49	22
Supplemental disclosure of non-cash investing and financing activities:
Transfers from inventory to property and equipment	$ 419	204	161
Accretion of preferred stock to redemption value		239	73
Conversion of preferred stock		$ 8,000
Undistributed dividends allocated to preferred stock			$ 79