Quarterly report pursuant to Section 13 or 15(d)

Accounts Receivable (Details)

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Accounts Receivable (Details) - USD ($)
Jun. 30, 2015
Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Trade receivables $ 717,382 $ 231,412
Grant receivables 0 132,227
Other receivables 40,082 107,657
Accounts Receivable, Gross, Current 757,464 471,296
Allowance for doubtful accounts 0 (24,775)
Accounts Receivable, Net, Current $ 757,464 $ 446,521