Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Cash Flows from Operating Activities
Net income (loss)	$ 1,990	$ 4,475
Non-cash items included in net income
Depreciation and amortization	2,033	2,399
Deferred income taxes	381	1,823
Deferred compensation plan	412	43
Stock compensation expense	505	398
Issuance of common shares as compensation	75	75
Gain on disposition of fixed assets	0	(4,752)
Allowance for doubtful accounts	(38)	140
Inventory obsolescence reserve	496	298
Changes in certain assets and liabilities
Accounts receivable	(6,136)	(3,854)
Inventories	926	136
Refundable income taxes	(393)	(3)
Accounts payable	5,912	4,611
Accrued expenses and other	(521)	440
Customer prepayments	1,997	130
Net cash flows provided by operating activities	7,639	6,359
Cash Flows from Investing Activities
Purchases of property, plant and equipment	(405)	(355)
Proceeds from the sale of fixed assets	0	12,338
Net cash flows (used in) provided by investing activities	(405)	11,983
Cash Flows from Financing Activities
Payments of long-term debt	0	(51,612)
Borrowings of long-term debt	0	35,252
Cash dividends paid	(1,321)	(1,319)
Shares withheld for employees' taxes	(5)	(50)
Payments on financing lease obligations	(58)	0
Proceeds from stock option exercises	53	0
Net cash flows used in financing activities	(1,331)	(17,729)
Change related to foreign currency	43	0
Increase in cash and cash equivalents	5,946	613
Cash and cash equivalents at beginning of period	3,517	966
Cash and cash equivalents at end of period	$ 9,463	$ 1,579