Annual report pursuant to Section 13 and 15(d)

EQUITY - Summary of Equity Instruments Other than Options (Details)

v3.23.1
EQUITY - Summary of Equity Instruments Other than Options (Details) - USD ($)
$ / shares in Units, $ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Warrants      
Nonvested, Number of Shares      
Issued and Outstanding at beginning of period (in shares) 69,280,403 78,782,136  
Granted (in shares) 21,112,280 300,000  
Vested and Released (in shares) (4,343,846) (9,551,733)  
Cancelled (in shares)   (250,000)  
Issued and Outstanding at end of period (in shares) 86,048,837 69,280,403 78,782,136
Weighted - Average Exercise Price Per Share      
Issued and Outstanding at beginning of period (in dollars per share) $ 1.19 $ 1.31  
Granted (in dollars per share) 2.06 4.18  
Vested and Released (in dollars per share) 1.26 2.26  
Cancelled (in dollars per share)   1.50  
Issued and Outstanding at end of period (in dollars per share) $ 1.40 $ 1.19 $ 1.31
Aggregate Intrinsic Value      
Issued and Outstanding at beginning of period $ 142,791 $ 358,319  
Vested and Released 9,746 31,343  
Issued and Outstanding at end of period $ 1,081 $ 142,791 $ 358,319
Weighted Average Remaining Vesting Term      
Issued and Outstanding 3 years 10 months 24 days 4 years 8 months 12 days 5 years 3 months 18 days
Exercisable      
Exercisable (in shares) 83,698,837    
Weighted Average Grant Date Fair Value, Exercisable (in dollars per share) $ 1.38    
Aggregate Intrinsic Value, Exercisable $ 1,081    
Weighted Average Remaining Contractual Term, Exercisable 3 years 10 months 24 days    
Warrants | Non-Derivative Warrants      
Nonvested, Number of Shares      
Issued and Outstanding at beginning of period (in shares) 29,156,048 36,764,244  
Granted (in shares) 1,600,000 300,000  
Vested and Released (in shares) (82,413) (7,658,196)  
Cancelled (in shares)   (250,000)  
Issued and Outstanding at end of period (in shares) 30,673,635 29,156,048 36,764,244
Exercisable      
Exercisable (in shares) 28,323,635    
Warrants | Derivative Warrants      
Nonvested, Number of Shares      
Issued and Outstanding at beginning of period (in shares) 40,124,355 42,017,892  
Granted (in shares) 19,512,280 0  
Vested and Released (in shares) (4,261,433) (1,893,537)  
Cancelled (in shares)   0  
Issued and Outstanding at end of period (in shares) 55,375,202 40,124,355 42,017,892
Exercisable      
Exercisable (in shares) 55,375,202    
Restricted stock      
Nonvested, Number of Shares      
Issued and Outstanding at beginning of period (in shares) 2,859,151 6,438,186  
Granted (in shares) 86,952 65,398  
Vested and Released (in shares) (1,789,784) (3,424,954)  
Cancelled (in shares)   (219,479)  
Issued and Outstanding at end of period (in shares) 1,156,319 2,859,151 6,438,186
Weighted - Average Exercise Price Per Share      
Issued and Outstanding at beginning of period (in dollars per share) $ 2.13 $ 1.85  
Granted (in dollars per share) 2.05 3.66  
Vested and Released (in dollars per share) 1.96 1.63  
Cancelled (in dollars per share)   2.45  
Issued and Outstanding at end of period (in dollars per share) $ 2.45 $ 2.13 $ 1.85
Aggregate Intrinsic Value      
Issued and Outstanding at beginning of period $ 9,292 $ 37,728  
Vested and Released 3,601 14,251  
Issued and Outstanding at end of period $ 881 $ 9,292 $ 37,728
Weighted Average Remaining Vesting Term      
Issued and Outstanding 3 months 18 days 1 year 2 months 12 days 1 year 8 months 12 days