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Unbilled Accounts Receivable
 6 Months Ended
Jun. 30, 2017
Accounts Receivable and Unbilled Accounts Receivable [Abstract]  
Unbilled Accounts Receivables [Text Block]
5.
Unbilled Accounts Receivable
 
Unbilled accounts receivable represents amount not yet billed for services delivered. Unbilled receivables consist of the following by customer type as of the periods presented below:
 
 
 
JUNE 30,
 
DECEMBER 31,
 
 
 
2017
 
2016
 
 
 
(Unaudited)
 
Commercial
 
$
204,976
 
$
278,862
 
Government
 
 
5,843,154
 
 
7,833,828
 
 
 
 
 
 
 
 
 
Unbilled accounts receivable
 
$
6,048,130
 
$
8,112,690