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Inventory (Details) - USD ($)
Dec. 31, 2017
Dec. 31, 2016
Inventory    
Raw Materials $ 10,604,232 $ 10,903,084
Work in Process 212,505 86,452
Finished Goods 2,807,399 2,978,090
Total 13,624,136 13,967,626
Inventory, Noncurrent $ 5,986,752 $ 1,826,554