Annual report pursuant to Section 13 and 15(d)

STOCKHOLDERS EQUITY - Narrative (Details)

v3.20.4
STOCKHOLDERS EQUITY - Narrative (Details)
$ / shares in Units, $ in Millions
12 Months Ended
Dec. 08, 2020
USD ($)
businessDay
tradingDay
$ / shares
Dec. 31, 2020
USD ($)
$ / shares
shares
Dec. 31, 2019
$ / shares
shares
Class of Stock [Line Items]      
Common stock authorized   190,000,000 190,000,000
Common stock par value | $ / shares   $ 0.0001 $ 0.0001
Common stock issued   100,664,000 99,416,000
Common stock - shares outstanding   100,664,000 99,416,000
Preferred stock authorized   10,000,000 10,000,000
Preferred stock par value | $ / shares   $ 0.0001 $ 0.0001
Preferred stock issued   0 0
Preferred stock outstanding   0 0
SPA      
Class of Stock [Line Items]      
Value of shares | $ $ 10.0    
Number of specified trading days between directions to purchase stock | tradingDay 3    
Fair value of put option (in USD per share) | $ / shares $ 0    
Number of business days between issuance and settlement | businessDay 1    
Common stock sold (in shares)   450,000  
Proceeds recognized | $   $ 0.2  
Shares issued as commitment fee (in shares)   185,454  
Stock offering cost | $   $ 0.3  
Fair value of shares issued as commitment fee | $   $ 0.1