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3. INVENTORY (Details) - USD ($)
Mar. 31, 2019
Dec. 31, 2018
Inventory Disclosure [Abstract]    
Work in Process $ 745,544 $ 443,701
Raw Materials 535,950 698,689
Inventory Allowance (11,424) (11,424)
Total Inventory $ 1,270,070 $ 1,130,966