CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 835	$ 675
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	379	460
Stock-based compensation expense	358	257
Changes in operating assets and liabilities, net of effects of business acquisition:
Restricted cash	0	111
Accounts receivable	434	367
Legal settlement receivable	0	1,538
Inventory	(943)	(888)
Prepaid and other current assets	121	(445)
Accounts payable and accrued liabilities	(105)	804
Deferred revenue	415	107
NET CASH PROVIDED BY OPERATING ACTIVITIES	1,494	2,986
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property, plant and equipment	(761)	(237)
Payments for acquisition, net of cash acquired	(1,204)	0
NET CASH USED IN INVESTING ACTIVITIES	(1,965)	(237)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from exercise of stock options	313	21
Shares repurchased	(540)	(128)
NET CASH USED IN FINANCING ACTIVITIES	(227)	(107)
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(698)	2,642
CASH AND CASH EQUIVALENTS, beginning of period	15,157	13,717
CASH AND CASH EQUIVALENTS, end of period	14,459	16,359
SUPPLEMENTAL CASH FLOW DISCLOSURES:
Income taxes paid	85	10
NON-CASH INVESTING ACTIVITIES:
Unpaid consideration related to acquisition	529	0
Transfer of equipment to inventory	$ 106	$ 0