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Unbilled Accounts Receivable (Tables)
 3 Months Ended
Mar. 31, 2016
Unbilled Accounts Receivable [Member]  
Unbilled Accounts Receivable [Line Items]  
Schedule Of Unbilled Accounts Receivable [Table Text Block]
Unbilled receivables consist of the following by customer type for each of the periods presented below:
 
 
 
MARCH 31,
 
DECEMBER 31,
 
 
 
2016
 
2015
 
 
 
(Unaudited)
 
Commercial
 
$
656,007
 
$
422,138
 
Government
 
 
8,401,689
 
 
6,215,449
 
 
 
 
 
 
 
 
 
Unbilled accounts receivable
 
$
9,057,696
 
$
6,637,587