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ACCRUED EXPENSES (Tables)
3 Months Ended
Mar. 31, 2022
Payables and Accruals [Abstract]  
Accrued expense schedule
          
   March 31,   December 31, 
   2022   2021 
Accrued vacation  $293   $238 
Accrued salaries and bonus   601    353 
Vendor accruals   87    36 
Other accrued expense   132    100 
Total accrued expenses  $1,113   $727