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3. Accounts receivable
3 Months Ended
Mar. 31, 2015
Receivables [Abstract]  
3. Accounts receivable

Note 3 — Accounts receivable

 

The following is a summary of accounts receivable:

   March 31, 2015 

 

December 31, 2014

           
Customer receivables  $29,575   $41,234 
Less:  Allowance for uncollectible accounts   (12,880)   (13,897)
   $16,695   $27,337