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Prepaid Expenses and Other Current Assets (Tables)
3 Months Ended
Mar. 31, 2021
Prepaid Expenses And Other Current Assets [Abstract]  
Schedule of prepaid expenses and other current assets

Prepaid expenses and other current assets consisted of the following (in $000s):

 

 

 

 

 

 

 

 

 

December 31, 

 

March 31, 

 

    

2020

    

2021

Research and development tax credit receivable

 

$

1,313

 

$

2,010

Prepayments and VAT receivable

 

 

684

 

 

448

Other current assets

 

 

66

 

 

228

 

 

$

2,063

 

$

2,686