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CONVERTIBLE NOTES - October 2016 Convertible Notes - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2021
Jan. 01, 2020
Dec. 31, 2019
Dec. 31, 2017
Class Of Stock [Line Items]        
Stated interest rate 12.00%      
Convertible Debt        
Class Of Stock [Line Items]        
Aggregate principal amount of notes outstanding   $ 5,012,897 $ 330,000  
Accrued interest   $ 65,010    
Percent of average of two lowest volume weighted average prices 80.00%      
Debt instrument, convertible, conversion price, milestone percentage one 50.00%      
Convertible Debt | October 2016 Notes        
Class Of Stock [Line Items]        
Stated interest rate       6.00%
Convertible Debt | Maximum | October 2016 Notes        
Class Of Stock [Line Items]        
Stated interest rate       24.00%