Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Consolidated Statements Of Operations [Abstract]
Net Sales	$ 17,211	$ 23,566	$ 32,279	$ 34,783
Cost of Sales	12,116	12,253	22,758	20,363
Gross Profit	5,095	11,313	9,521	14,420
Operating Expenses
Selling, general and administrative	5,386	4,926	10,656	9,040
Engineering, research and development	1,970	1,999	4,198	3,700
Total operating expenses	7,356	6,925	14,854	12,740
Operating Income (Loss)	(2,261)	4,388	(5,333)	1,680
Other Income and (Expenses)
Interest income (expense), net	(25)	76	(46)	154
Foreign currency gain (loss)	58	(376)	59	(930)
Other income	86	58	145	123
Total other income (expense)	119	(242)	158	(653)
Income (Loss) Before Income Taxes	(2,142)	4,146	(5,175)	1,027
Income Tax Benefit (Expense)	596	(1,367)	1,521	(288)
Net Income (Loss)	$ (1,546)	$ 2,779	$ (3,654)	$ 739
Income (Loss) Per Common Share
Basic	$ (0.17)	$ 0.30	$ (0.39)	$ 0.08
Diluted	$ (0.17)	$ 0.30	$ (0.39)	$ 0.08
Weighted Average Common Shares Outstanding
Basic	9,351	9,218	9,351	9,185
Dilutive effect of stock options		145		160
Diluted	9,351	9,363	9,351	9,345