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Unbilled Accounts Receivable (Tables)
 9 Months Ended
Sep. 30, 2017
Accounts Receivable and Unbilled Accounts Receivable [Abstract]  
Schedule Of Unbilled Accounts Receivable [Table Text Block]
Unbilled accounts receivable represents amount not yet billed for products and/or services delivered. Unbilled receivables consist of the following by customer type as of the periods presented below:
 
 
 
SEPTEMBER 30,
 
DECEMBER 31,
 
 
 
2017
 
2016
 
 
 
(Unaudited)
 
Commercial
 
$
285,912
 
$
278,862
 
Government
 
 
5,846,841
 
 
7,833,828
 
 
 
 
 
 
 
 
 
Unbilled accounts receivable
 
$
6,132,753
 
$
8,112,690