Consolidated Statements Of Cash Flow - USD ($)	12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2015
Cash Flows from Operating Activities
Net (loss) income	$ (168,000)	$ (22,113,000)	$ (461,000)
Adjustments to reconcile net (loss) income to net cash (used for) provided from operating activities:
Depreciation and amortization	2,194,000	2,137,000	1,098,000
Stock compensation expense	797,000	649,000	507,000
Asset impairment and related inventory write-down	476,000	858,000
Deferred income taxes	496,000	12,521,000	(2,272,000)
(Gain) loss on disposal of assets	(5,000)	201,000	652,000
Allowance for doubtful accounts	(16,000)	(128,000)	3,000
Changes in assets and liabilities, net of businesses acquired
Receivables	(7,991,000)	5,496,000	(7,814,000)
Inventories	520,000	(537,000)	(2,268,000)
Accounts payable	(586,000)	1,201,000	205,000
Other current assets and liabilities	536,000	(5,733,000)	5,424,000
Net cash (used for) provided from operating activities	(3,747,000)	(5,448,000)	(4,926,000)
Cash Flows from Investing Activities
Acquisition of businesses			(4,205,000)
Purchases of short-term investments	(4,371,000)	(3,353,000)	(5,787,000)
Sales of short-term investments	4,290,000	5,788,000	11,621,000
Capital expenditures	(682,000)	(1,641,000)	(1,789,000)
Acquisition of long-term assets		(129,000)	(861,000)
Net cash provided from (used for) investing activities	(763,000)	665,000	(1,021,000)
Cash Flows from Financing Activities
Proceeds from (payments to) line of credit and short-term credit borrowings, net	1,303,000	(83,000)	(4,414,000)
Proceeds from stock plans	157,000	75,000	910,000
Net cash provided from (used for) financing activities	1,460,000	(8,000)	(3,504,000)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	(33,000)	76,000	(2,117,000)
Net (Decrease) Increase in Cash and Cash Equivalents	(3,083,000)	(4,715,000)	(11,568,000)
Cash and Cash Equivalents, July 1	6,787,000	11,502,000	23,070,000
Cash and Cash Equivalents, June 30	3,704,000	6,787,000	11,502,000
Non-Cash Investing and Financing Activity:
Debt related to Purchase of Building		585,000
Deferred Purchase Price			555,000
Supplemental Disclosure of Cash Flow Information
Cash paid during the year for interest	274,000	261,000	91,000
Cash paid during the year for income taxes	$ 555,000	$ 1,144,000	$ 915,000