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FOREIGN SALES AND SIGNIFICANT CUSTOMERS (Tables)
 12 Months Ended
Jun. 30, 2018
Foreign Sales and Significant Customers [Abstract]  
Sales by Country
The Company’s sales by country were as follows: 
 
 
2018
 
2017
United States
 
$
16,564,924

 
$
15,965,159

People's Republic of China
 
1,602,588

 
2,332,704

Sweden
 
1,436,561

 
1,056,746

Czech Republic
 
1,298,220

 
1,107,555

Malaysia
 
543,093

 
647,707

Russian Federation
 
491,649

 
522,080

Canada
 
414,350

 
547,745

All other countries
 
1,164,056

 
1,874,585

Net sales
 
$
23,515,441

 
$
24,054,281