Annual report pursuant to Section 13 and 15(d)

Accounts Receivable (Tables)

v2.4.1.9
Accounts Receivable (Tables)
12 Months Ended
Dec. 31, 2014
Receivables [Abstract]  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Accounts receivable, net consisted of the following:
 
 
 
December 31,
2014
2013
Trade receivables
$
231,412
$
24,643
Grant receivables
132,227
211,063
Other receivables
107,657
16,700
471,296
252,406
Allowance for doubtful accounts
(24,775
)
$
446,521
$
252,406