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Summary of Significant Accounting Policies (Tables)
 9 Months Ended
Sep. 30, 2017
Accounting Policies [Abstract]  
Schedule of Changes in Allowance for Doubtful Accounts

The following table presents the changes in the allowance for doubtful accounts:

 

 

 

September 30,

 

 

December 31,

 

 

 

2017

 

 

2016

 

Balance, beginning of period

 

$

1,792

 

 

$

1,125

 

Add: provision for doubtful accounts

 

 

1,855

 

 

 

1,960

 

Less: write-offs, net of recoveries and other adjustments

 

 

(852

)

 

 

(1,293

)

Balance, end of period

 

$

2,795

 

 

$

1,792

 

 
Schedule of Changes in Contractual Allowance

The following table presents the changes in the contractual allowance:

 

 

 

September 30,

 

 

December 31,

 

 

 

2017

 

 

2016

 

Balance, beginning of period

 

$

2,340

 

 

$

338

 

Add: contractual allowances

 

 

4,072

 

 

 

2,726

 

Less: write-offs, net of recoveries and other adjustments

 

 

(678

)

 

 

(724

)

Balance, end of period

 

$

5,734

 

 

$

2,340