CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Mar. 31, 2014		Mar. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (693)	[1]	$ (2,022)
Adjustments to reconcile net loss to net cash in operating activities
Depreciation and amortization	835		827
Stock-based compensation expense	322		414
Deferred tax expense	0		15
Changes in operating assets and liabilities:
Accounts receivable	(381)		(617)
Inventory	256		315
Prepaid and other current assets	(321)		(104)
Accounts payable and accrued liabilities	200		626
Deferred revenue	(321)		(135)
NET CASH USED IN OPERATING ACTIVITIES	(103)		(681)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property, plant and equipment	(308)		(548)
Additions to intangible assets	(102)		(158)
NET CASH USED IN INVESTING ACTIVITIES	(410)		(706)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from exercise of stock options	47		42
Shares repurchased	(607)		(74)
NET CASH USED IN FINANCING ACTIVITIES	(560)		(32)
NET DECREASE IN CASH AND CASH EQUIVALENTS	(1,073)		(1,419)
CASH AND CASH EQUIVALENTS, beginning of period	15,503		17,498
CASH AND CASH EQUIVALENTS, end of period	14,430		16,079
SUPPLEMENTAL CASH FLOW DISCLOSURES:
Income taxes paid	$ 11		$ 0

[1] unaudited