Consolidated Statements Of Cash Flow (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2012
Cash Flows from Operating Activities
Net income (loss)	$ 2,427	$ 6,210	$ (333)
(Income) loss from discontinued operations		(80)	3,160
Adjustments to reconcile net income to net cash provided from (used for) operating activities:
Depreciation and amortization	726	660	597
Stock compensation expense	515	201	255
Deferred income taxes	(1,117)	277	469
Disposal of assets and other	(165)	83	88
Allowance for doubtful accounts	(33)	(92)	142
Changes in assets and liabilities
Receivables, net	2,881	(6,082)	(801)
Inventories	(147)	(1,340)	58
Accounts payable	(558)	1,702	842
Other current assets and liabilities	532	2,609	371
Net cash provided from operating activities-continuing operations	5,061	4,148	4,848
Net cash used for operating activities-discontinued operations		(835)	(1,938)
Net cash provided from operating activities	5,061	3,313	2,910
Cash Flows from Financing Activities
Proceeds from stock plans	3,648	842	204
Repurchase of company stock			(1,348)
Payment of cash dividend	(1,372)	(3,416)
Net cash provided from (used for) financing activities	2,276	(2,574)	(1,144)
Cash Flows from Investing Activities
Purchases of short-term investments	(23,748)	(21,080)	(29,467)
Sales of short-term investments	26,661	20,698	29,830
Capital expenditures	(678)	(731)	(594)
Proceeds from sale of Commercial Products Business Unit assets (Note 11)		838
Net cash provided from (used for) investing activities	2,235	(275)	(231)
Effect of Exchange Rate Changes on Cash and Cash Equivalents	134	(84)	(656)
Net Increase in Cash and Cash Equivalents	9,706	380	879
Cash and Cash Equivalents, July 1	13,364	12,984	12,105
Cash and Cash Equivalents, June 30	23,070	13,364	12,984
Supplemental Disclosure of Cash Flow Information
Cash paid during the year for interest		8	7
Cash paid during the year for income taxes	$ 1,072	$ 1,002	$ 497