Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Operating activities:
Net loss	$ (19,647)	$ (16,161)
Adjustments to reconcile net loss to cash used in operating activities:
Depreciation and amortization	1,248	1,610
Provision for losses on accounts receivable	54	54
Share-based compensation	4,770	4,994
Loss on disposal of property and equipment	(27)	(22)
Changes in operating assets and liabilities:
Accounts receivable	2,499	1,744
Inventories	304	(1,222)
Accounts payable and accrued liabilities	(4,584)	188
Accrued payroll and employee compensation	75	(76)
Other assets and liabilities, net	1,211	149
Net cash used in operating activities	(14,043)	(8,698)
Investing activities:
Purchase of fixed assets	(983)	(868)
Net cash used in investing activities	(983)	(868)
Financing activities:
Proceeds from issuance of common stock, net of issuance costs	870	6,579
Payment for restricted stock tax liability on net settlement	(749)	(831)
Proceeds from exercise of outstanding warrants	0	160
Proceeds from exercise of stock options and ESPP purchases	215	523
Proceeds from borrowings, net	0	3,500
Proceeds from convertible notes, net of issuance costs	13,002	0
Net cash provided by financing activities	13,338	9,931
Effect of exchange rate changes on cash	(3)	(11)
Net (decrease) increase in cash and cash equivalents	(1,691)	354
Cash and cash equivalents, beginning of period	10,522	10,168
Cash and cash equivalents, end of period	8,831	10,522
Supplemental disclosures of cash flow information:
Income taxes paid	191	123
Interest paid	167	97
Supplemental disclosures of non-cash investing and financing activities:
Fixed asset purchases in accounts payable and accrued liabilities	102	0
Leasehold improvements under landlord allowance	0	159
Equity award fair value adjustment to liability	876	875
Common stock issued for settlement of convertible notes interest	$ 401	$ 0