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Accounts Receivable, Net (Tables)
 12 Months Ended
Dec. 31, 2018
Accounts Receivable Net [Abstract]  
Accounts Receivable Lessen By Provision for Doubtful Receivables

 

 

 

 

December 31,
2018  

  

December 31,
2017  

  

Accounts receivable

$        15,931 

$       15,616 

Less: Provision for doubtful accounts

          (1,495)

        (1,495)

 

  

  

Accounts receivable, net

$14,436 

$14,121 

 
Changes To Provisions For Doubtful Receivables

 

 

 

 

 

Allowance for doubtful receivables

Balance at
beginning of period  

  

Charges to costs
and expenses  

  

Amount utilized  

  

Balance at
end of period  

  

Year ended December 31, 2018

$                 (1,495)

$               — 

$                 — 

$            (1,495)

Year ended December 31, 2017

$                         — 

$         (1,495)

$                 — 

$            (1,495)

Year ended December 31, 2016

$                         —          

$               —        

$                 — 

$                  —