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PREPAID EXPENSES AND OTHER CURRENT ASSETS
 3 Months Ended
Mar. 31, 2022
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
PREPAID EXPENSES AND OTHER CURRENT ASSETS

 

4. PREPAID EXPENSES AND OTHER CURRENT ASSETS

 

Prepaid expenses and other current assets are summarized as follows (in thousands): 

          
   March 31,   December 31, 
   2022   2021 
Vendor prepayments  $1,489   $87 
Related party receivable   37    27 
Prepaid insurance   203    66 
Other   26    – 
Total prepaid expenses and other current assets  $1,755   $180 

 

Related party receivables as of March 31, 2022 and December 31, 2021 consisted primarily of payroll related taxes due for an employee option exercise.