CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES
Net income (loss)	$ 231	$ (1,194)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	784	708
Loss on disposal of property, plant and equipment	0	6
Stock-based compensation expense	261	273
Deferred tax benefit	(74)	0
Changes in operating assets and liabilities, net of effects of business acquisitions:
Accounts receivable	35	543
Inventory	(156)	(359)
Prepaid and other assets	43	(66)
Accounts payable and accrued liabilities	934	1,134
Deferred revenue	11	(70)
NET CASH PROVIDED BY OPERATING ACTIVITIES	2,069	975
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property, plant and equipment	(643)	(1,978)
Cash proceeds from sale of property, plant and equipment	10	13
Additions to intangible assets	(48)	(79)
Payments for business acquisitions, net of cash acquired	0	(7,100)
NET CASH USED IN INVESTING ACTIVITIES	(681)	(9,144)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from exercise of stock options	0	259
Proceeds from long-term debt	0	3,000
Repayments of long-term debt	(300)	(291)
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES	(300)	2,968
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	1,088	(5,201)
CASH AND CASH EQUIVALENTS, beginning of period	4,675	12,435
CASH AND CASH EQUIVALENTS, end of period	5,763	7,234
SUPPLEMENTAL CASH FLOW DISCLOSURES:
Income taxes paid	3	0
Interest paid on long-term debt	39	49
NON-CASH INVESTING AND FINANCING ACTIVITIES:
Issuance of common stock for acquisition	0	1,889
Issuance of common stock for lease	83	0
Unpaid consideration related to acquisitions	0	105
Transfer of equipment to inventory	105	104
Property, plant and equipment financed through accounts payable	$ 87	$ 368