Quarterly report pursuant to Section 13 or 15(d)

RELATED PARTIES (Details)

v3.22.1
RELATED PARTIES (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 3 Months Ended 12 Months Ended
Mar. 31, 2017
Jul. 31, 2016
Mar. 31, 2022
Dec. 31, 2020
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2021
Jun. 30, 2019
Related Party Transaction [Line Items]                
Employee portion of payroll taxes paid         $ 0.2      
Former President and CEO                
Related Party Transaction [Line Items]                
Due from former President and CEO     $ 6.4          
Accounts payable     $ 0.3       $ 0.5  
Accounts receivable             $ 0.3  
Former President and CEO | Accrued Expenses                
Related Party Transaction [Line Items]                
Payroll taxes payable       $ 6.2 $ 6.2      
Former President and CEO | Prepaid Expenses and Other                
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]                
Employer portion of FICA taxes           $ 0.2    
Stock options | Former President and CEO                
Related Party Transaction [Line Items]                
Extension of period to exercise stock options           5 years    
Unvested options vested (shares)     11,300,000          
Weighted average exercise price of outstanding vested options (in USD per share)     $ 0.42          
Stock options issued (shares) 5,000,000 6,000,000            
Unvested stock options outstanding (shares)     6,750,000          
Stock based compensation expense           $ 2.7    
Restricted Stock Units (RSUs) | Former President and CEO                
Related Party Transaction [Line Items]                
Stock based compensation expense           $ 5.1    
Vested RSU's (shares)           2,950,000