Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash flows from operating activities
Net income	$ 96	$ 2,559
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	972	792
Non-cash sales discount		245
Non-cash compensation	433	409
Pension expense, net of contributions		12
Gain on disposal of assets		(1)
Changes in operating assets and liabilities:
Accounts receivable, net	2,211	1,888
Inventories, net	1,159	(1,405)
Operating lease right-of-use assets and liabilities, net	(94)
Prepaids and other assets	(692)	(993)
Accounts payable and accrued liabilities	779	471
Accrued compensation and employee benefits	(298)	114
Income taxes	27	655
Net cash provided by operating activities	4,593	4,746
Cash flows from investing activities
Purchases of property and equipment	(1,118)	(796)
Proceeds from sale of property and equipment		19
Net cash used in investing activities	(1,118)	(777)
Cash flows from financing activities
Repurchase of common stock	(15)	(6)
Issuance of common stock		37
Net cash (used in) provided by financing activities	(15)	31
Net increase in cash and cash equivalents	3,460	4,000
Cash and cash equivalents at beginning of period	25,040	23,613
Cash and cash equivalents at end of period	28,500	27,613
Supplemental disclosures of cash flow information
Interest	4	3
Taxes		7
Disclosure of non-cash activities:
Unrealized gain resulting from change in fair value of derivative instruments, net of tax	$ 387	$ 383