CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
CASH FLOWS FROM OPERATING ACTIVITIES
Net income (loss)	$ (3,621)	$ (2,975)	$ 9,356
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	1,117	1,003	796
Loss on disposal of fixed assets	83	10	0
Stock-based compensation expense	786	871	980
Excess tax benefits from stock-based award activity	(85)	(979)	(1,089)
Deferred tax (benefit) expense	1,035	(290)	1,551
Changes in operating assets and liabilities:
Decrease (increase) in accounts receivable, net	638	(1,032)	(427)
(Increase) decrease in inventory	(449)	(32)	545
Decrease (increase) in prepaid and other current assets	459	2,512	(2,592)
Increase in accounts payable and accrued liabilities	(388)	780	50
Increase in deferred revenue	114	167	112
NET CASH (USED IN) PROVIDED BY OPERATING ACTIVITIES	(311)	35	9,282
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property, plant and equipment	(452)	(702)	(2,954)
Additions to intangible assets	(169)	(149)	(87)
NET CASH USED IN INVESTING ACTIVITIES	(621)	(851)	(3,041)
CASH FLOWS FROM FINANCING ACTIVITIES
Excess tax benefits from stock-based award activity	85	979	1,089
Proceeds from stock offering, net of offering costs	0	0	4,873
Proceeds from exercise of stock options	65	49	1,073
NET CASH PROVIDED BY FINANCING ACTIVITIES	150	1,028	7,035
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(782)	212	13,276
CASH AND CASH EQUIVALENTS, beginning of year	18,280	18,068	4,792
CASH AND CASH EQUIVALENTS, end of year	17,498	18,280	18,068
SUPPLEMENTAL CASH FLOW DISCLOSURES:
Income taxes paid	$ 0	$ 0	$ 5,656