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Stockholders’ Equity (Tables)
12 Months Ended
Dec. 31, 2021
Stockholders' Equity Note [Abstract]  
Schedule of outstanding common stock warrants
    Date     Strike     Total
Warrants
Outstanding
and
    Total
Exercise
Price
    Weighted
Average
Exercise
 
    Issued     Expiration     Price     Exercisable     (in thousands)     Price  
Warrants - Common Stock   Jun-18     Jun-23     $ 1.00       316,800     $ 317        
Warrants - Common Stock   Oct-18     Oct-23       1.40       26,250       37          
                          343,050     $ 354     $ 1.04