Annual report pursuant to Section 13 and 15(d)

NOTES PAYABLE (Details 7)

v3.22.1
NOTES PAYABLE (Details 7)
Dec. 31, 2021
$ / shares
Dec. 31, 2021
₩ / shares
Feb. 09, 2021
$ / shares
Dec. 31, 2020
$ / shares
Dec. 31, 2020
₩ / shares
Jun. 29, 2020
$ / shares
Debt Instrument [Line Items]            
Stock price           $ 1.67
Conversion Price [Member]            
Debt Instrument [Line Items]            
Conversion price $ 2.39     $ 5.54    
Valuation Technique Binomial Monte-Carlo Cliquet Option Pricing Model [Member]            
Debt Instrument [Line Items]            
Stock price | (per share)   ₩ 2,925   1.23 ₩ 6,060  
Conversion price       $ 2.00    
Valuation Technique Binomial Monte-Carlo Cliquet Option Pricing Model [Member] | Convertible Promissory Notes [Member]            
Debt Instrument [Line Items]            
Stock price 1.67   $ 1.41      
Valuation Technique Binomial Monte-Carlo Cliquet Option Pricing Model [Member] | Conversion Price [Member]            
Debt Instrument [Line Items]            
Conversion price | ₩ / shares   ₩ 2,847     ₩ 6,028  
Valuation Technique Binomial Monte-Carlo Cliquet Option Pricing Model [Member] | Conversion Price [Member] | Convertible Promissory Notes [Member]            
Debt Instrument [Line Items]            
Conversion price $ 1.48   $ 1.48      
Valuation Technique Binomial Monte-Carlo Cliquet Option Pricing Model [Member] | Selected Yield [Member]            
Debt Instrument [Line Items]            
Selected yield       10.48 10.48  
Valuation Technique Binomial Monte-Carlo Cliquet Option Pricing Model [Member] | Selected Yield [Member] | Convertible Promissory Notes [Member]            
Debt Instrument [Line Items]            
Selected yield 21.99 21.99 20.29      
Valuation Technique Binomial Monte-Carlo Cliquet Option Pricing Model [Member] | Expected Volatility [Member]            
Debt Instrument [Line Items]            
Selected yield       95.00 95.00  
Valuation Technique Binomial Monte-Carlo Cliquet Option Pricing Model [Member] | Expected Volatility [Member] | Convertible Promissory Notes [Member]            
Debt Instrument [Line Items]            
Selected yield 50 50 50      
Valuation Technique Binomial Monte-Carlo Cliquet Option Pricing Model [Member] | Time Until Maturity [Member] | Convertible Promissory Notes [Member]            
Debt Instrument [Line Items]            
Expected life (in years) 2 years 1 month 28 days 2 years 1 month 28 days 3 years      
Valuation Technique Binomial Monte-Carlo Cliquet Option Pricing Model [Member] | Risk-Free Rate [Member] | Convertible Promissory Notes [Member]            
Debt Instrument [Line Items]            
Selected yield 0.77 0.77 0.30