Consolidated Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014
Consolidated Statements Of Income [Abstract]
Net Sales	$ 16,182	$ 17,328	$ 50,965	$ 42,219
Cost of Sales	11,614	9,166	31,977	24,794
Gross Profit	4,568	8,162	18,988	17,425
Operating Expenses
Selling, general and administrative	5,027	3,913	14,067	10,987
Engineering, research and development	1,948	1,630	5,648	4,926
Total operating expenses	6,975	5,543	19,715	15,913
Operating Income (Loss)	(2,407)	2,619	(727)	1,512
Other Income and (Expenses)
Interest income, net	24	58	178	121
Foreign currency loss	(62)	110	(992)	(139)
Other income	64		187
Total other income (expense)	26	168	(627)	(18)
Income (Loss) Before Income Taxes	(2,381)	2,787	(1,354)	1,494
Income Tax Benefit (Expense)	792	(306)	504	(8)
Net Income (Loss)	$ (1,589)	$ 2,481	$ (850)	$ 1,486
Income (Loss) Per Common Share
Basic	$ (0.17)	$ 0.27	$ (0.09)	$ 0.17
Diluted	$ (0.17)	$ 0.26	$ (0.09)	$ 0.16
Weighted Average Common Shares Outstanding
Basic	9,290	9,130	9,220	8,928
Dilutive effect of stock options		235		244
Diluted	9,290	9,365	9,220	9,172