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Inventories
 9 Months Ended
Sep. 30, 2015
Inventory Disclosure [Abstract]  
Inventories
4.
Inventories
 
Inventories consist of the following:
 
 
 
September 30,
2015
 
December 31,
2014
 
 
 
 
 
 
 
 
 
Purchased components
 
$
502,952
 
$
209,426
 
Finished goods
 
 
569,210
 
 
470,314
 
 
 
$
1,072,162
 
$
679,740
 
 
Included in finished goods is $64,477 and zero of consigned inventory held by a third party as of September 30, 2015 and December 31, 2014, respectively.