Consolidated Statements Of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Income Statement [Abstract]
Net Sales	$ 13,933	$ 17,850
Cost of Sales	9,537	10,808
Gross Profit	4,396	7,042
Operating Expenses
Selling, general and administrative	3,769	4,243
Engineering, research and development	1,324	1,828
Total operating expenses	5,093	6,071
Operating (Loss) Income	(697)	971
Other Income and (Expenses)
Interest expense, net	(42)	(24)
Foreign currency (loss) gain, net	233	(211)
Other income (expense), net	(56)	33
Total other income and (expense)	135	(202)
(Loss) Income Before Income Taxes	(562)	769
Income Tax (Expense) Benefit	155	(143)
Net (Loss) Income	$ (407)	$ 626
(Loss) Income Per Common Share
Basic and Diluted	$ (0.04)	$ 0.06
Weighted Average Common Shares Outstanding
Basic	9,750	9,661
Dilutive effect of stock options	0	3
Diluted	9,750	9,664