CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) $ in Thousands	6 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 1,656	$ 849
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	803	807
Bad debt expense	49	36
Non-cash lease expense		24
Inventory write-off	13	0
Loss on disposal of property, plant and equipment	0	18
Stock-based compensation expense	225	191
Deferred tax expense	89	179
Changes in operating assets and liabilities:
Accounts receivable	(3,067)	(960)
Inventory	640	(230)
Prepaid and other assets	(213)	(5)
Accounts payable and accrued liabilities	614	956
Contract asset and contract liability	960	156
NET CASH PROVIDED BY OPERATING ACTIVITIES	1,769	2,021
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of property, plant and equipment	(1,236)	(281)
Additions to intangible assets	(65)	(203)
NET CASH USED IN INVESTING ACTIVITIES	(1,301)	(484)
CASH FLOWS FROM FINANCING ACTIVITIES
Total liabilities	20,407
Proceeds from exercise of stock options	58	0
Proceeds from long-term debt	598	0
Repayments of long-term debt	(258)	(278)
Payments of debt issuance costs	(50)	0
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES	348	(278)
NET INCREASE IN CASH	816	1,259
CASH, beginning of period	4,512	5,155
CASH, end of period	5,328	6,414
SUPPLEMENTAL CASH FLOW DISCLOSURES:
Income taxes paid	62	14
Interest paid on long-term debt	42	46
NON-CASH INVESTING ACTIVITIES:
Transfer of equipment to inventory	0	205
Property, plant and equipment financed through accounts payable	$ (18)	$ 57