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Inventories (Tables)
3 Months Ended
Mar. 31, 2018
Inventory Disclosure [Abstract]  
Inventory
As of March 31, 2018 and December 31, 2017, net inventory consisted of the following: 
March 31, 2018December 31, 2017
Raw materials and work in process $2,642,543 $3,156,002 
Consigned inventory 418,829 249,964 
Finished goods 3,600,153 3,331,882 
Total $6,661,525 $6,737,848