XML 23 R4.htm IDEA: XBRL DOCUMENT v3.22.0.1
CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares
Dec. 31, 2021
Dec. 31, 2020
Statement of Financial Position [Abstract]    
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, shares authorized (in shares) 5,000,000 5,000,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0
Common stock, par value (in dollars per share) $ 0.001 $ 0.001
Common stock, shares authorized (in shares) 400,000,000 200,000,000
Common stock, shares issued (in shares) 199,463,645 140,449,647
Common stock, shares outstanding (in shares) 199,463,645 140,449,647