CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 3,952	$ 2,377
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,026	993
Provision for doubtful accounts	25	0
Deferred income taxes	(449)	146
Stock based compensation expense	141	97
Changes in operating assets and liabilities:
Accounts receivable	2,193	2,082
Inventories	(241)	(4,369)
Prepaid expenses and other current assets	160	(334)
Other assets	(151)	(16)
Accounts payable, accrued expenses and accrued income taxes	(1,969)	13
Net Cash Provided by Operating Activities	4,687	989
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property, plant, and equipment	(1,018)	(1,115)
Net Cash Used in Investing Activities	(1,018)	(1,115)
CASH FLOWS FROM FINANCING ACTIVITIES
Principal payments on long-term debt	(1,500)	(2,800)
Proceeds from long-term debt borrowings	0	1,500
Proceeds from stock option exercise	61	49
Cash paid for purchase of treasury stock	(1,337)	0
Net Cash Used in Financing Activities	(2,776)	(1,251)
Net Increase (Decrease) in Cash and Cash Equivalents	893	(1,377)
CASH AND CASH EQUIVALENTS - Beginning	3,454	3,805
CASH AND CASH EQUIVALENTS - Ending	4,347	2,428
SUPPLEMENTAL CASH FLOW INFORMATION
Interest paid, net	63	65
Income taxes paid	184	53
Surrender of common shares	$ 7	$ 86