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Prepaid Expenses and Other Current Assets (Details) - USD ($)
Dec. 31, 2019
Dec. 31, 2018
Prepaid Expense, Current [Abstract]    
Prepaid insurance $ 47,884 $ 18,061
Product certification costs 83,749 74,919
Prepaid inventory purchases 77,606 110,301
Others 102,888 104,551
Prepaid expenses and other current assets $ 312,127 $ 307,832