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Accounts receivable
6 Months Ended
Jun. 30, 2017
Receivables [Abstract]  
Accounts receivable

Note 2 — Accounts receivable

 

The following is a summary of accounts receivable:

 

    June 30,
2017
    December 31, 2016   
             
Customer receivables   $ 35,340     $ 14,432  
Less: Allowance for uncollectible accounts     (14,401 )     (14,401 )
  $ 20,939     $ 31