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Inventories - Schedule of Inventory, Current (Details) - USD ($)
Jun. 30, 2019
Dec. 31, 2018
Inventory, Net, Items Net of Reserve    
Raw materials $ 40,648 $ 42,911
Work in process 3,175,017 2,719,786
Finished goods 4,276 3,032
Total inventory $ 3,219,941 $ 2,765,729