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Inventories (Tables)
6 Months Ended
Jun. 30, 2019
Inventory Disclosure [Abstract]  
Schedule of Inventory
Inventories consist of the following: 
 
June 30, 2019
 
December 31, 2018
Purchased components
$
1,226,434

 
$
1,767,674

Finished goods
836,997

 
1,094,190

 
$
2,063,431

 
$
2,861,864