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Accrued Expenses and Other Payables (Tables)
12 Months Ended
Dec. 31, 2019
Accrued Expenses And Other Payables  
Schedule of Accrued Expenses and Other Payables
   December 31, 
   2019   2018 
         
Subcontractors  $1,131   $75 
Clinical activities   2,010    1,021 
Professional services   349    479 
Project in process   1,255    - 
Other   173    257 
           
   $4,918   $1,832