XML 34 R25.htm IDEA: XBRL DOCUMENT v3.22.1
Other Current Liabilities (Tables)
3 Months Ended
Mar. 31, 2022
Other Current Liabilities [Abstract]  
Schedule of other current liabilities
   March 31,   December 31, 
   2022   2021 
Accrued research and development  $183   $289 
Accrued compensation   1,091    2,211 
Accrued vacation   354    276 
Operating lease liabilities, current portion   163     
Other   191    131 
   $1,982   $2,907