Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
Consolidated Statements Of Operations [Abstract]
Net Sales	$ 19,269	$ 17,520
Cost of Sales	11,619	12,946
Gross Profit	7,650	4,574
Operating Expenses
Selling, general and administrative	4,424	4,287
Engineering, research and development	1,733	1,610
Severance, impairment and other charges	(52)	656
Total operating expenses	6,105	6,553
Operating Income (Loss)	1,545	(1,979)
Other Income and (Expenses)
Interest expense, net	(42)	(57)
Foreign currency (loss) income, net	(22)	49
Other income, net	30	1
Total other income (expense)	(34)	(7)
Income (Loss) Before Income Taxes	1,511	(1,986)
Income Tax Benefit (Expense)	47	(369)
Net Income (Loss)	$ 1,558	$ (2,355)
Income Per Common Share
Basic	$ 0.16	$ (0.25)
Diluted	$ 0.16	$ (0.25)
Weighted Average Common Shares Outstanding
Basic	9,453	9,371
Dilutive effect of stock options	49
Diluted	9,502	9,371