Condensed Consolidated Statements Of Cash Flows (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
OPERATING ACTIVITIES
Net loss	$ (3,096)	$ (1,902)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	2,666	2,500
Share-based compensation	583	889
Other non-cash expenses	547	(151)
Changes in operating assets and liabilities:
Accounts receivable	(7,222)	(1,397)
Inventories	(350)	763
Prepaid expenses and other current assets	(574)	255
Other long-term assets	605	259
Accounts payable and accrued expenses	903	(187)
Deferred revenue	(2,176)	(2,301)
Other long-term liabilities	(188)	147
Total adjustments to net loss	(5,206)	777
Net cash used in operating activities	(8,302)	(1,125)
INVESTING ACTIVITIES
Additions to property and equipment	(1,244)	(1,208)
Proceeds from sale or maturity of short-term investments	7,634
Purchase of short-term investments	(2,226)	(3,414)
Net cash provided by (used in) investing activities	4,164	(4,622)
FINANCING ACTIVITIES
Net cash provided by (used in) financing activities
Effect of exchange rates on cash and cash equivalents	(344)	311
Decrease in cash and cash equivalents	(4,482)	(5,436)
Cash and cash equivalents at beginning of period	27,814	31,364
Cash and cash equivalents at end of period	23,332	25,928
Cash paid during the period for:
Interest	20	21
Income taxes (net of refunds)	$ 882	$ 309