Annual report pursuant to Section 13 and 15(d)

Accounts Receivable (Tables)

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Accounts Receivable (Tables)
12 Months Ended
Dec. 31, 2018
Receivables [Abstract]  
Schedule of Accounts Receivable

Accounts receivable by category were as follows:

 

    December 31, 2018     December 31, 2017  
Billed   $ 116,314     $ 2,218,227  
Unbilled     66,150       3,474,252  
Total accounts receivable   $ 182,464     $ 5,692,479