Annual report pursuant to Section 13 and 15(d)

2. Receivables

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2. Receivables
 12 Months Ended
Dec. 31, 2016
Receivables  
2. Receivables

Accounts receivable at December 31, 2016 and 2015, consist of the following:

 

    2016     2015  
Billed-federal government   $ 693,321     $ 754,540  
Billed-commercial and other     67,201       180,474  
Total billed     760,522       935,014  
Unbilled     396,865       363,015  
Allowance for doubtful accounts     -       -  
Accounts receivable, net   $ 1,157,387     $ 1,298,029  

 

Billed receivables from the federal government include amounts due from both prime contracts and subcontracts where the federal government is the end customer. Unbilled receivables are for services provided through the balance sheet date that are expected to be billed and collected within one year.