Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Consolidated Statements Of Operations [Abstract]
Net Sales	$ 17,520	$ 15,068
Cost of Sales	12,946	10,642
Gross Profit	4,574	4,426
Operating Expenses
Selling, general and administrative	4,287	5,270
Engineering, research and development	1,610	2,228
Severance, impairment and other charges	656
Total operating expenses	6,553	7,498
Operating Loss	(1,979)	(3,072)
Other Income and (Expenses)
Interest expense, net	(57)	(21)
Foreign currency income, net	49	1
Other income, net	1	59
Total other income (expense)	(7)	39
Loss Before Income Taxes	(1,986)	(3,033)
Income Tax (Expense) Benefit	(369)	925
Net Loss	$ (2,355)	$ (2,108)
Loss Per Common Share
Basic	$ (0.25)	$ (0.23)
Diluted	$ (0.25)	$ (0.23)
Weighted Average Common Shares Outstanding
Basic	9,371	9,350
Dilutive effect of stock options
Diluted	9,371	9,350