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The Company and Summary of Significant Accounting Policies and Estimates (Tables)
 12 Months Ended
Dec. 31, 2015
The Company and Summary of Significant Accounting Policies and Estimates  
Schedule of changes in allowance for doubtful accounts

 

                                                                                                                                                                                    

 

 

Balance at
Beginning of
Period

 

Provision, net
of Recoveries

 

Write-offs

 

Balance at
End of
Period

 

 

 

(in thousands)

 

Year ended December 31, 2013

 

$
336

 

$
452

 

$
(459

)

$
329

 

Year ended December 31, 2014

 

 
329

 

 
417

 

 
(353

)

 
393

 

Year ended December 31, 2015

 

 
393

 

 
738

 

 
(574

)

 
557