Quarterly report pursuant to Section 13 or 15(d)

NOTES PAYABLE (Details 5)

v3.22.1
NOTES PAYABLE (Details 5) - Valuation Technique Binomial Monte-Carlo Cliquet Option Pricing Model [Member]
Mar. 31, 2022
$ / shares
Mar. 31, 2022
₩ / shares
Dec. 31, 2021
$ / shares
Dec. 31, 2021
₩ / shares
Debt Instrument [Line Items]        
Stock price | ₩ / shares   ₩ 2,410   ₩ 2,925
Convertible Promissory Notes [Member]        
Debt Instrument [Line Items]        
Stock price $ 1.00   $ 1.67  
Conversion Price [Member]        
Debt Instrument [Line Items]        
Conversion price | (per share) 1.82 ₩ 2,140 2.39 ₩ 2,847
Conversion Price [Member] | Convertible Promissory Notes [Member]        
Debt Instrument [Line Items]        
Conversion price $ 1.48   $ 1.48  
Selected Yield [Member] | Convertible Promissory Notes [Member]        
Debt Instrument [Line Items]        
Selected yield 23.42 23.42 21.99 21.99
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) 1 year 10 months 28 days 1 year 10 months 28 days 2 years 1 month 28 days 2 years 1 month 28 days
Risk-Free Rate [Member] | Convertible Promissory Notes [Member]        
Debt Instrument [Line Items]        
Selected yield 2.22 2.22 0.77 0.77