Annual report pursuant to Section 13 and 15(d)

Balance Sheet Components (Details)

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Balance Sheet Components (Details) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Raw materials $ 0 $ 3,729
Work in progress 191,112 141,302
Finished goods 1,192,317 547,853
Total inventories $ 1,383,429 $ 692,884