CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 75	$ (967)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	390	338
(Gain) loss on disposal of property, plant and equipment	(2)	6
Stock-based compensation expense	121	139
Changes in operating assets and liabilities, net of effects of business acquisitions:
Accounts receivable	274	(772)
Inventory	(72)	(252)
Prepaid and other assets	126	(213)
Accounts payable and accrued liabilities	(29)	644
Deferred revenue	25	285
NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES	908	(792)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property, plant and equipment	(235)	(806)
Cash proceeds from sale of property, plant and equipment	3	13
Additions to intangible assets	(41)	0
Payments for business acquisitions, net of cash acquired	0	(7,062)
NET CASH USED IN INVESTING ACTIVITIES	(273)	(7,855)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from exercise of stock options	0	141
Proceeds from long-term debt	0	3,000
Repayments of long-term debt	(150)	(21)
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES	(150)	3,120
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	485	(5,527)
CASH AND CASH EQUIVALENTS, beginning of period	4,675	12,435
CASH AND CASH EQUIVALENTS, end of period	5,160	6,908
SUPPLEMENTAL CASH FLOW DISCLOSURES:
Income taxes paid	3	0
Interest paid on long-term debt	17	22
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Issuance of common stock for acquisition	0	1,889
Unpaid consideration related to acquisitions	0	140
Transfer of equipment to inventory	69	34
Property, plant and equipment financed through accounts payable	$ 21	$ 310