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CONVERTIBLE NOTES - Nanyang Convertible Note - Additional Information (Details) - Nanyang Investment Management - USD ($)
Jul. 22, 2022
Jul. 11, 2022
Feb. 02, 2022
Jan. 21, 2022
Short Term Debt [Line Items]        
Debt conversion, converted instrument, shares issued     1,200,000  
Interest expense upon conversion     $ 133,000  
Subsequent Event        
Short Term Debt [Line Items]        
Debt conversion, converted instrument, shares issued 1,800,000      
Unsecured Convertible Notes        
Short Term Debt [Line Items]        
Aggregate principal amount of notes outstanding     $ 600,000  
Unsecured Convertible Notes | Subsequent Event        
Short Term Debt [Line Items]        
Aggregate principal amount of notes outstanding $ 900,000 $ 900,000    
Debt conversion, converted instrument, shares issued   1,800,000    
B D One Exchange Agreement        
Short Term Debt [Line Items]        
Conversion price (in dollars per share)       $ 0.50
Ownership of outstanding stock, percentage       4.99%
B D One Exchange Agreement | Unsecured Convertible Notes        
Short Term Debt [Line Items]        
Aggregate principal amount of notes outstanding       $ 1,000,000
Debt instrument, maturity date       Dec. 18, 2025