XML 40 R29.htm IDEA: XBRL DOCUMENT v3.22.1
Revenue (Tables)
12 Months Ended
Dec. 31, 2021
Revenue from Contract with Customer [Abstract]  
Schedule of disaggregation of revenue
   Years ended December 31, 
$ in thousands 

2021

(As Restated

   2020 
Project revenue  $900   $
 
Services revenue   6,462    200 
Grant revenue   1,442    
 
Total revenue  $8,804   $200