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Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2022
Property and Equipment [Abstract]  
Schedule of Property, Equipment
Property and equipment consist of the following (in thousands):

   
As of December 31,
 
   
2022
   
2021
 
Laboratory and manufacturing equipment
 
$
28
   
$
258
 
Leasehold improvements
   
-
     
464
 
Computer equipment and programs
   
240
     
155
 
     
268
     
877
 
Less accumulated depreciation and amortization
   
(32
)
   
(207
)
Property and equipment, net
 
$
236
   
$
670