Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Cash Flows from Operating Activities
Net income	$ 4,198	$ 6,218
Non-cash items included in net income
Depreciation and amortization	4,023	4,551
Deferred income taxes	315	1,893
Deferred compensation plan	679	47
Stock compensation expense	902	597
Issuance of common shares as compensation	150	150
Gain on disposition of fixed assets	0	(4,753)
Allowance for doubtful accounts	96	(356)
Inventory obsolescence reserve	817	(212)
Changes in certain assets and liabilities
Accounts receivable	(6,476)	10,552
Inventories	3,195	413
Refundable income taxes	(522)	(112)
Accounts payable	3,933	1,864
Accrued expenses and other	834	406
Customer prepayments	1,273	(355)
Net cash flows provided by operating activities	13,417	20,903
Cash Flows from Investing Activities
Purchases of property, plant and equipment	(880)	(1,119)
Proceeds from the sale of fixed assets	0	12,340
Net cash flows (used in) provided by investing activities	(880)	11,221
Cash Flows from Financing Activities
Payments of long-term debt	0	(99,746)
Borrowings of long-term debt	0	70,642
Cash dividends paid	(2,639)	(2,643)
Shares withheld for employees' taxes	(28)	(124)
Payments on financing lease obligations	(118)	0
Proceeds from stock option exercises	178	29
Net cash flows used in financing activities	(2,607)	(31,842)
Change related to foreign currency	137	0
Increase in cash and cash equivalents	10,067	282
Cash and cash equivalents at beginning of period	3,517	966
Cash and cash equivalents at end of period	$ 13,584	$ 1,248