XML 22 R10.htm IDEA: XBRL DOCUMENT v3.10.0.1
Prepaid Expenses and Other Current Assets
 12 Months Ended
Dec. 31, 2018
Prepaid Expense and Other Assets, Current [Abstract]  
Prepaid Expenses and Other Current Assets
3. Prepaid Expenses and Other Current Assets

 

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

 

   As of December 31, 
   2018   2017 
         
Prepaid insurance  $168   $136 
Prepaid rent   41    68 
VAT receivable   176    336 
Prepaid inventory   120    494 
Advances to suppliers   155    545 
Other   230    257 
Total prepaid expenses and other current assets  $890   $1,836