Annual report pursuant to Section 13 and 15(d)

Stockholders??? Equity and Capitalization - Reserved Shares of Common Stock (Details)

v3.22.1
Stockholders’ Equity and Capitalization - Reserved Shares of Common Stock (Details) - shares
Dec. 31, 2021
Dec. 31, 2020
Oct. 31, 2014
Class of Stock [Line Items]      
Reserved shares of common stock (in shares) 213,540,505 197,480,453  
Warrants      
Class of Stock [Line Items]      
Reserved shares of common stock (in shares) 154,458,892 157,513,335  
Amended Credit Agreement      
Class of Stock [Line Items]      
Reserved shares of common stock (in shares) 5,393,684 5,126,343  
2014 Plan      
Class of Stock [Line Items]      
Reserved shares of common stock (in shares)     3,200,000
Stock options | Outside 2014 Plan      
Class of Stock [Line Items]      
Reserved shares of common stock (in shares) 35,405,000 22,050,000  
Stock options | 2014 Plan      
Class of Stock [Line Items]      
Reserved shares of common stock (in shares) 14,132,929 12,790,775  
Unvested restricted stock units      
Class of Stock [Line Items]      
Reserved shares of common stock (in shares) 4,000,000 0  
Unvested restricted stock      
Class of Stock [Line Items]      
Reserved shares of common stock (in shares) 150,000 0