CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 849	$ 231
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	807	784
Bad debt expense	36	12
Non-cash lease expense	24	0
Loss (gain) on disposal of property, plant and equipment	18	(2)
Stock-based compensation expense	191	261
Deferred tax expense	179	(74)
Changes in operating assets and liabilities:
Accounts receivable	(960)	23
Inventory	(230)	(156)
Prepaid and other assets	(5)	45
Accounts payable and accrued liabilities	956	934
Contract asset and contract liability	156	11
NET CASH PROVIDED BY OPERATING ACTIVITIES	2,021	2,069
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property, plant and equipment	(281)	(643)
Cash proceeds from sale of property, plant and equipment	0	10
Additions to intangible assets	(203)	(48)
NET CASH USED IN INVESTING ACTIVITIES	(484)	(681)
CASH FLOWS FROM FINANCING ACTIVITIES
Repayments of long-term debt	(278)	(300)
NET CASH USED IN FINANCING ACTIVITIES	(278)	(300)
NET INCREASE IN CASH	1,259	1,088
CASH, beginning of period	5,155	4,675
CASH, end of period	6,414	5,763
SUPPLEMENTAL CASH FLOW DISCLOSURES:
Income taxes paid	14	3
Interest paid on long-term debt	46	39
NON-CASH INVESTING ACTIVITIES:
Issuance of common stock for lease	0	83
Transfer of equipment to inventory	205	105
Property, plant and equipment financed through accounts payable	$ 57	$ 87