XML 47 R37.htm IDEA: XBRL DOCUMENT v3.22.2.2
Warrants - Summary (Details) - $ / shares
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Jun. 11, 2018
Nov. 20, 2017
Jan. 11, 2017
Class of Warrant or Right [Line Items]              
Number of warrants outstanding (shares) 7,605,811   7,605,811        
Warrants exercised via cashless exercises (shares) 0 0 0 623,821      
Common stock issued from exercise of warrants (shares)       623,814      
January 11, 2017 Warrants | Private Placement              
Class of Warrant or Right [Line Items]              
Exercise price of warrants (USD per share)             $ 0.001
Number of warrants outstanding (shares) 3,578,036   3,578,036        
November 20, 2017 Warrants | Private Placement              
Class of Warrant or Right [Line Items]              
Exercise price of warrants (USD per share)           $ 0.001  
Number of warrants outstanding (shares) 3,669,360   3,669,360        
June 11, 2018 Warrants | Private Placement              
Class of Warrant or Right [Line Items]              
Exercise price of warrants (USD per share)         $ 0.001    
Number of warrants outstanding (shares) 358,415   358,415