XML 46 R36.htm IDEA: XBRL DOCUMENT v3.22.2.2
Revenue - Summary of Deferred Revenue Activity (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2022
Movement in Deferred Revenue [Roll Forward]    
Balance at beginning of period   $ 17
Additions to deferred revenue   0
Recognized as revenue   (17)
Balance at end of period $ 0 0
NIDA Grant    
Movement in Deferred Revenue [Roll Forward]    
Balance at beginning of period   17
Additions to deferred revenue   0
Recognized as revenue 0 (17)
Balance at end of period $ 0 $ 0