Consolidated Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Consolidated Statements Of Income [Abstract]
Net Sales	$ 12,148	$ 9,145
Cost of Sales	6,551	6,443
Gross Profit	5,597	2,702
Operating Expenses
Selling, general and administrative	3,363	3,240
Engineering, research and development	1,557	1,327
Total operating expenses	4,920	4,567
Operating Income (Loss)	677	(1,865)
Other Income and (Expenses)
Interest income, net	44	66
Foreign currency gain	146	(142)
Total other income (expense)	190	(76)
Income (Loss) from Continuing Operations Before Income Taxes	867	(1,941)
Income Tax Benefit (Expense)	(238)	747
Income (Loss) from Continuing Operations	629	(1,194)
Discontinued Operations
Litigation Settlement from Forest Products Business Unit net of $493 of taxes (Note 12)		(957)
Commercial Products Business Unit (net of $13, and $32 of tax expense and benefit, respectively) (Note 12)	26	(73)
Total discontinued operations	26	(1,030)
Net Income (Loss)	$ 655	$ (2,224)
Basic Earnings (Loss) Per Common Share
Continuing operations	$ 0.08	$ (0.14)
Discontinued operations	$ 0.00	$ (0.12)
Net Income (Loss)	$ 0.08	$ (0.26)
Diluted Earnings (Loss) Per Common Share
Continuing operations	$ 0.08	$ (0.14)
Discontinued operations	$ 0.00	$ (0.12)
Net Income (Loss)	$ 0.08	$ (0.26)
Weighted Average Common Shares Outstanding
Basic	8,424	8,519
Dilutive effect of stock options	88
Diluted	8,512	8,519