Quarterly report pursuant to Section 13 or 15(d)

NOTES PAYABLE (Details 4)

v3.23.1
NOTES PAYABLE (Details 4) - Valuation Technique Binomial Monte-Carlo Cliquet Option Pricing Model [Member]
3 Months Ended 12 Months Ended
Mar. 31, 2023
₩ / shares
Dec. 31, 2022
₩ / shares
Mar. 31, 2023
$ / shares
Dec. 31, 2022
$ / shares
Debt Instrument [Line Items]        
Stock price | ₩ / shares ₩ 1,065 ₩ 1,015    
Convertible Promissory Notes [Member]        
Debt Instrument [Line Items]        
Stock price     $ 0.33 $ 0.26
Conversion Price [Member]        
Debt Instrument [Line Items]        
Conversion price | (per share) ₩ 1,068 ₩ 1,068 0.82 0.85
Conversion Price [Member] | Convertible Promissory Notes [Member]        
Debt Instrument [Line Items]        
Conversion price     $ 0.37 $ 0.37
Selected Yield [Member] | Convertible Promissory Notes [Member]        
Debt Instrument [Line Items]        
Selected yield 29.35 27.50 29.35 27.50
Expected Volatility [Member] | Convertible Promissory Notes [Member]        
Debt Instrument [Line Items]        
Selected yield 50 50 50 50
Time Until Maturity [Member] | Convertible Promissory Notes [Member]        
Debt Instrument [Line Items]        
Expected life (in years) 11 months 1 day 1 year 1 month 28 days    
Risk-Free Rate [Member] | Convertible Promissory Notes [Member]        
Debt Instrument [Line Items]        
Selected yield 4.69 4.68 4.69 4.68