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Stockholders’ Equity (Deficit) (Tables)
12 Months Ended
Dec. 31, 2023
Stockholders’ Equity (Deficit) [Abstract]  
Schedule of Outstanding and Exercisable Warrants and Related Transactions As of December 31, 2023, the following table summarizes the status of our outstanding and exercisable warrants and related transactions since December 31, 2021 (in thousands, except weighted average exercise price and weighted average remaining contractual life data):
   Warrants outstanding and exercisable 
   Warrants   Weighted
Average
Exercise
Price
   Aggregate
Intrinsic
Value
   Weighted
Average
Remaining
Contractual
Life
(in Years)
 
Balance, December 31, 2021   103   $76.19   $
    8.3 
Granted   436    0.14           
Expired   (3)   341.5           
Balance, December 31, 2022   536    13.10    2,427    9.3 
Exercised   (435)   0.01    (2,270)     
Expired   (2)   0.89           
Balance, December 31, 2023   99   $66.61   $1,793    6.5 
Schedule of Stock Options Activity The following table summarizes the status of our outstanding and exercisable options and related transactions (each adjusted to account for the Reverse Stock Split) since December 31, 2022 (in thousands, except weighed average exercise price and weighted average remaining contractual life data):
   Outstanding   Exercisable 
   Options
Awards
   Weighted Average Exercise
Price
   Aggregate
Intrinsic
Value
   Weighted Average Remaining Contractual Life
(in Years)
   Options
Awards
   Weighted
Average
Exercise
Price
   Aggregate
Intrinsic
Value
   Weighted Average Remaining Contractual Life (in Years) 
As of January 1, 2022   353   $225.98    
    3.8    336    230.93   $
    3.6 
Granted                                
Exercised                                
Cancelled/Forfeited   (4)   94.99                         
Expired   (177)   226.56                         
As of December 31, 2022   172    228.28    
    3.6    170    229.43    
    3.6 
Granted                                
Exercised                                
Cancelled/Forfeited                                
Expired   (100)   206.15                         
As of December 31, 2023   72   $258.55   $
    3.0    73    258.46   $
    3.0 

 

Schedule of the Status of our Unvested and Related Transactions The following table summarizes the status of our RSUs and related transactions (each adjusted to account for the Reverse Stock Split) (in thousands, except weighed average grant date fair value):
   RSUs awards outstanding 
   RSUs   Weighted
Average
Grant Date
Fair Value
   Aggregate
Intrinsic
Value
 
Balance, January 1, 2022   272   $58.00   $4,890.00 
Granted   170    16.05      
Vested   (327)   48.20      
Cancelled/Forfeited   (58)   37      
Balance, as of December 31, 2022   57    14.57    318.63 
Granted   163    4.82    
 
Vested   (180)   6.83    
 
Cancelled/Forfeited   
    
    
 
Balance, as of December 31, 2023   40   $9.67   $89.6 
The following table summarizes the status of our PSUs and related transactions for each for the following years (each adjusted to account for the Reverse Stock Split) (in thousands, except weighed average grant date fair value):
   PSUs   Weighted
Average
Grant Date
Fair Value
   Aggregate
Intrinsic
Value
 
Balance, December 31, 2021   164   $51.50   $2,953 
Granted   63    34.50      
Vested and settled   (133)   47.12    (2,382.98)
Cancelled/Forfeited   (75)   (44.85)     
Unvested, as of January 1, 2023   19    52.15    107.55 
Granted   
    
    
 
Vested   (5)   56.05    (10.72)
Cancelled/Forfeited   
    
    
 
Unvested, as of December 31, 2023   14   $50.87   $33