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Balance Sheet Components - Inventory (Details) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Inventory, Gross [Abstract]    
Raw Material $ 457,345 $ 197,359
Work in Process 1,210,616 2,672,264
Finished Goods 460,725 472,554
Inventory $ 2,128,686 $ 3,342,177