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Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Prepaid Expenses And Other Current Assets    
Prepaid inventory $ 39,260 $ 27,715
Prepaid insurance 4,615 7,453
Prepaid other current assets 14,645 216,419
Prepaid expense and other assets, current $ 58,520 $ 251,587