Consolidated Statements Of Cash Flow - USD ($) $ in Thousands	9 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Cash Flows from Operating Activities
Net income (loss)	$ (429)	$ (6,519)
Adjustments to reconcile net income (loss) to net cash used for operating activities:
Depreciation and amortization	1,660	1,516
Stock compensation expense	421	393
Asset impairment and related inventory write-down	440	813
Deferred income taxes	338	(2,532)
Gain on disposal of assets	(2)	(756)
Allowance for doubtful accounts	(112)	32
Changes in assets and liabilities
Receivables	(2,773)	1,042
Inventories	(413)	(1,298)
Accounts payable	(969)	2,519
Other current assets and liabilities	(1,503)	(3,783)
Net cash used for operating activities	(3,342)	(8,573)
Cash Flows from Investing Activities
Purchases of short-term investments	(2,030)	(1,851)
Sales of short-term investments	3,272	3,492
Capital expenditures	(397)	(1,561)
Acquisition of long-term assets		(129)
Net cash provided by (used for) investing activities	845	(49)
Cash Flows from Financing Activities
Proceeds from short-term credit borrowings, net	667	178
Proceeds from stock compensation plans	154	80
Net cash provided by financing activities	821	258
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(217)	(8)
Net Decrease in Cash and Cash Equivalents	(1,893)	(8,372)
Cash and Cash Equivalents, July 1	6,787	11,502
Cash and Cash Equivalents, March 31	4,894	3,130
Supplemental Disclosure of Cash Flow Information
Cash paid during the period for interest	207	201
Cash paid during the period for income taxes	$ 265	$ 1,074