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Accounts Receivable (Tables)
 3 Months Ended
Mar. 31, 2020
Receivables [Abstract]  
Summary of Accounts Receivable

Accounts receivable consists of the following:

 

 

 

March 31,

2020

 

 

December 31,

2019

 

United States

 

$

8,159

 

 

$

5,574

 

International

 

 

4,120

 

 

 

2,908

 

Total accounts receivable

 

 

12,279

 

 

 

8,482

 

Less: Allowance for doubtful accounts

 

 

(331

)

 

 

(239

)

Accounts receivable, net of allowance for doubtful

   accounts

 

$

11,948

 

 

$

8,243