XML 68 R60.htm IDEA: XBRL DOCUMENT v3.22.1
CONVERTIBLE NOTES - Nanyang Convertible Note - Additional Information (Details) - USD ($)
12 Months Ended
Aug. 13, 2021
Dec. 09, 2020
Oct. 22, 2020
Dec. 31, 2021
Dec. 31, 2020
Short Term Debt [Line Items]          
Conversion price (in dollars per share)       $ 10,000  
Debt conversion, converted instrument, shares issued (in shares)   5,800,000     94,266
Ownership Of Outstanding Stock Percentage     4.99%    
Nanyang Note          
Short Term Debt [Line Items]          
Aggregate principal amount issued $ 100,000     $ 500,000  
Debt conversion, converted instrument, shares issued (in shares) 200,000     1,000,000  
B D One Exchange Agreement | Nanyang Investment Management          
Short Term Debt [Line Items]          
Conversion price (in dollars per share) $ 0.50        
Debt conversion, converted instrument, shares issued (in shares) 1,200,000        
Ownership Of Outstanding Stock Percentage 4.99%        
B D One Exchange Agreement | Nanyang Investment Management | Unsecured Convertible Notes          
Short Term Debt [Line Items]          
Aggregate principal amount issued $ 600,000        
Debt instrument, maturity date Dec. 18, 2025