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Inventories (Details) - USD ($)
Jun. 30, 2019
Dec. 31, 2018
Dec. 31, 2017
Inventory Disclosure [Abstract]      
Raw Materials $ 644,670 $ 136,555 $ 114,119
Work in progress 825,418 180,041 482,770
Finished Goods 521,946 523,698 398,912
In Transit   5,468
Less valuation allowance (532,369) (532,369) (9,572)
Total $ 1,459,665 $ 307,925 $ 991,697