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6. INVENTORY (Tables)
6 Months Ended
Jun. 30, 2021
Inventory Disclosure [Abstract]  
Components of Inventory

Inventory consists of the following:

             
      June 30,     December 31,
(in thousands)     2021     2020
Raw materials   $                   151   $                      -
Finished goods                          -                          -

 

  $                   151   $                      -