Annual report pursuant to Section 13 and 15(d)

RELATED PARTIES - Narrative (Details)

v3.22.1
RELATED PARTIES - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 3 Months Ended 12 Months Ended
Mar. 31, 2017
Jul. 31, 2016
Dec. 31, 2020
Dec. 31, 2021
Dec. 31, 2019
Jun. 30, 2019
Related Party Transaction [Line Items]            
Employee portion of payroll taxes     $ 0.2      
Stock options            
Related Party Transaction [Line Items]            
Stock based compensation expense         $ 2.7  
Restricted Stock Units (RSUs)            
Related Party Transaction [Line Items]            
Stock based compensation expense         5.1  
Former President and CEO            
Related Party Transaction [Line Items]            
Due from former President and CEO       $ 6.4    
Accounts payable     0.4 0.5    
Former President and CEO | Accrued Liabilities            
Related Party Transaction [Line Items]            
Payroll taxes payable       $ 6.2    
Former President and CEO | Prepaid Expenses and Other Current Assets            
Related Party Transaction [Line Items]            
Due from former President and CEO           $ 6.2
Impairment charge related to previously recorded receivable     6.2      
Former President and CEO | Selling, General and Administrative Expenses            
Related Party Transaction [Line Items]            
Payroll tax expense         $ 0.2  
Former President and CEO | Stock options            
Related Party Transaction [Line Items]            
Stock option exercise period extension         5 years  
Options vested (in shares)       11,300,000    
Weighted average exercise price of outstanding vested options (in USD per share)       $ 0.42    
Stock options issued (in shares) 5,000,000 6,000,000        
Unvested stock options (in shares)       6,750,000    
Former President and CEO | Restricted Stock Units (RSUs)            
Related Party Transaction [Line Items]            
Vested RSU's (in shares)         2,950,000  
Former Chief Operating Officer            
Related Party Transaction [Line Items]            
Accounts payable     $ 0.2      
Former Chief Operating Officer | Stock options            
Related Party Transaction [Line Items]            
Stock based compensation expense         $ 1.7