Prepaid expenses and other current assets (Tables)
 12 Months Ended
Dec. 31, 2018
Prepaid expenses and other current assets  
Schedule of prepaid expenses and other current assets

Prepaid expenses and other current assets consist of the following (in thousands):

 

 

 

 

 

 

 

 

 

As of

 

 

December 31, 

 

    
2018

    
2017

Prepaid clinical

 

$

728

 

$

1,718

Prepaid insurance

 

 

673

 

 

137

Other prepaid expenses and current assets

 

 

383

 

 

105

Total prepaid expenses and other current assets

 

$

1,784

 

$

1,960