Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2016
Cash flows from operating activities:
Net earnings (loss)	$ (3,633)	$ 991	$ (14,130)
Non cash operating activities:
Gain on sale of building		(3,089)
Depreciation	5,462	5,368	5,832
Amortization	2,049	1,658	1,382
Impairment of building			4,114
Stock-based compensation	298	410	404
Net long-term tax obligations	80	(132)	(256)
Deferred taxes	7,228	498	(6,888)
Postretirement benefit and pension obligations	876	2,387	20,947
(Income) loss from equity method investment		307	(118)
Working capital changes:
Accounts receivable	(4,282)	3,863	2,774
Inventories	(3,461)	(2,498)	3,615
Other current assets	(822)	(1,192)	309
Other current liabilities	4,521	(523)	1,477
Prepaid pension expense	(4,761)	(5,481)	(5,148)
Other	500	321	22
Net cash provided by (used in) operating activities	4,055	2,888	14,336
Cash flows from investing activities:
Business acquisition, net of cash acquired		(1,324)
Additions to property, plant and equipment	(4,345)	(4,574)	(7,493)
Software development	(1,417)	(1,262)	(747)
Proceeds from sale of short-term investments			7,621
Proceeds from sale of building		3,321
Net cash provided by (used in) investing activities	(5,762)	(3,839)	(619)
Cash flows from financing activities:
Proceeds from borrowings	6,797	500	750
Debt repayments	(3,444)	(1,543)	(2,202)
Proceeds from common stock issued	319	335	427
Repurchase of shares	(563)	(386)	(463)
Dividends paid	(1,401)	(2,817)	(2,806)
Net cash provided by (used in) financing activities	1,708	(3,911)	(4,294)
Effect of translation rate changes on cash	219	(325)	(737)
Net increase (decrease) in cash	220	(5,187)	8,686
Cash beginning of year	14,607	19,794	11,108
Cash end of year	14,827	14,607	19,794
Supplemental cash flow information:
Interest paid	667	635	654
Taxes paid, net	587	(136)	1,113
Non-cash investing and financing activity:
Liability for business acquisition		$ 1,555