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Investments (Tables)
 12 Months Ended
Dec. 31, 2020
Investment [Line Items]  
Investments
The following table sets forth the Company’s investments:
 
    
December 31,
2020
     
December 31,
2019
  
Securrency, Inc. – Preferred stock
    $ 8,112      $ 8,112  
Thesys – Preferred stock
      —        3,080  
    
 
 
     
 
 
  
Total
    $ 8,112      $ 11,192