Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Consolidated Statements Of Operations [Abstract]
Net Sales	$ 18,082	$ 16,182	$ 50,361	$ 50,965
Cost of Sales	12,880	11,614	35,638	31,977
Gross Profit	5,202	4,568	14,723	18,988
Operating Expenses
Selling, general and administrative	4,702	5,027	15,358	14,067
Engineering, research and development	1,740	1,948	5,938	5,648
Severance, impairment and other charges	2,567		2,567
Total operating expenses	9,009	6,975	23,863	19,715
Operating Loss	(3,807)	(2,407)	(9,140)	(727)
Other Income and (Expenses)
Interest income (expense), net	(46)	24	(92)	178
Foreign currency gain (loss)	158	(62)	217	(992)
Other income	12	64	157	187
Total other income (expense)	124	26	282	(627)
Loss Before Income Taxes	(3,683)	(2,381)	(8,858)	(1,354)
Income Tax Benefit	818	792	2,339	504
Net Loss	$ (2,865)	$ (1,589)	$ (6,519)	$ (850)
Loss Per Common Share
Basic	$ (0.31)	$ (0.17)	$ (0.70)	$ (0.09)
Diluted	$ (0.31)	$ (0.17)	$ (0.70)	$ (0.09)
Weighted Average Common Shares Outstanding
Basic	9,351	9,290	9,351	9,220
Dilutive effect of stock options
Diluted	9,351	9,290	9,351	9,220