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Prepaid Expenses and Other Current Assets (Tables)
12 Months Ended
Dec. 31, 2017
Prepaid Expenses and Other Current Assets  
Schedule of prepaid expenses and other current assets

Prepaid expense and other current assets consisted of the following (in thousands):

 

 

 

 

 

 

 

 

 

    

As of

 

 

December 31, 

 

    

2017

    

2016

Prepaid expenses

 

$

1,864

 

$

1,662

Other

 

 

517

 

 

110

Total

 

$

2,381

 

$

1,772