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Prepaid Expenses and Other Current Assets (Details) - USD ($)
Sep. 30, 2015
Jun. 30, 2015
Dec. 31, 2014
Prepaid Expenses and Other Current Assets [Line Items]      
Advance payment to suppliers $ 163,746   $ 151,365
Prepaid insurance and other 317,818   239,385
Certificates of deposit - restricted 63,385 $ 73,270 73,270
Prepaid expenses and other current assets $ 544,949   $ 464,020