Consolidated Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011	Dec. 31, 2010
Consolidated Statements Of Income [Abstract]
Net Sales	$ 17,381	$ 16,341	$ 28,700	$ 29,094
Cost of Sales	9,438	9,221	17,406	17,256
Gross Profit	7,943	7,120	11,294	11,838
Operating Expenses
Selling, general and administrative	3,715	3,650	7,206	7,072
Engineering, research and development	1,777	1,972	3,611	4,090
Total operating expenses	5,492	5,622	10,817	11,162
Operating Income	2,451	1,498	477	676
Other Income and (Expenses)
Interest income, net	65	56	131	101
Foreign currency gain (loss)	(143)	(10)	(285)	211
Other	157		157
Total other income	79	46	3	312
Income from Continuing Operations Before Income Taxes	2,530	1,544	480	988
Income Tax (Expense) Benefit	(732)	(517)	51	(313)
Income from Continuing Operations	1,798	1,027	531	675
Discontinued Operations
Litigation Settlement from Forest Products Business Unit net of $27 and $493 of taxes, respectively (Note 13)	(52)		(1,009)
Net Income (Loss)	$ 1,746	$ 1,027	$ (478)	$ 675
Basic Earnings (Loss) Per Common Share
Continuing operations	$ 0.21	$ 0.11	$ 0.06	$ 0.08
Discontinued operations	$ (0.01)		$ (0.12)
Net Income (Loss)	$ 0.20	$ 0.11	$ (0.06)	$ 0.08
Diluted Earnings (Loss) Per Common Share
Continuing operations	$ 0.21	$ 0.11	$ 0.06	$ 0.07
Discontinued operations	$ (0.01)		$ (0.12)
Net Income (Loss)	$ 0.20	$ 0.11	$ (0.06)	$ 0.07
Weighted Average Common Shares Outstanding
Basic	8,421	8,992	8,470	8,985
Dilutive effect of stock options	110	163		154
Diluted	8,531	9,155	8,470	9,139