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Operating Lease (Tables)
12 Months Ended
Dec. 31, 2020
Leases [Abstract]  
Supplemental cash flow for operating lease
(in thousands)  

Year ended

December 31, 2020

   

Year ended

December 31, 2019

 
             
Cash paid for amounts included in the measurement of lease liabilities            
   Operating cash outflows from WR Lease payments   $ 42     $ 37  
Non-cash amounts related to the WR lease                
   Right of use assets recorded in exchange for new operating lease liabilities   $ -     $ 82