Consolidated Statements Of Income (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Consolidated Statements Of Income [Abstract]
Net Sales	$ 57,379	$ 50,847	$ 40,199
Cost of Sales	33,209	28,225	24,073
Gross Profit	24,170	22,622	16,126
Operating Expenses
Selling, general and administrative	12,983	13,468	13,023
Engineering, research and development	5,591	5,768	5,221
Total operating expenses	18,574	19,236	18,244
Operating Income (Loss)	5,596	3,386	(2,118)
Other Income and (Expenses)
Interest income, net	245	233	228
Foreign currency gain (loss)	(629)	482	216
Other	163	2	(2)
Total other income (expense)	(221)	717	442
Income (Loss) from Continuing Operations Before Income Taxes	5,375	4,103	(1,676)
Income Tax Benefit (Expense)	(2,548)	(1,453)	1,746
Income from Continuing Operations	2,827	2,650	70
Discontinued Operations
Litigation Settlement from Forest Products Business Unit net of $520 of taxes (Note 12)	(1,009)
Commercial Products Business Unit (net of $1,104, $418 and $446 of tax benefits in fiscal 2012, 2011 and 2010, respectively)	(2,151)	(824)	(875)
Total discontinued operations	(3,160)	(824)	(875)
Net Income (Loss)	$ (333)	$ 1,826	$ (805)
Basic Earnings (Loss) Per Common Share
Continuing operations	$ 0.34	$ 0.30	$ 0.01
Discontinued operations	$ (0.38)	$ (0.09)	$ (0.10)
Net Income (Loss)	$ (0.04)	$ 0.21	$ (0.09)
Diluted Earnings (Loss) Per Common Share
Continuing operations	$ 0.34	$ 0.29	$ 0.01
Discontinued operations	$ (0.38)	$ (0.09)	$ (0.10)
Net Income (Loss)	$ (0.04)	$ 0.20	$ (0.09)
Weighted Average Common Shares Outstanding
Basic	8,433,000	8,879,000	8,923,000
Dilutive effect of stock options		171,000
Diluted	8,433,000	9,050,000	8,923,000