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Subsequent Events (Details) - 1 months ended Apr. 30, 2024 - Subsequent event
$ in Millions, ₩ in Billions
USD ($)
KRW (₩)
KRW (₩)
Historical convertible promissory notes notes.      
Subsequent Events      
Principal amount $ 0.6    
M-Venture Investment, Inc.      
Subsequent Events      
Term loan outstanding 3.0   ₩ 4.0
Principal amount of loan extended maturity date from April 2024 to June 2024 0.7   1.0
M-Venture Investment, Inc. | Term loans      
Subsequent Events      
Term loan outstanding 4.4   6.0
Repayment of short term loan 1.5 ₩ 2.0  
Principal amount of loan extended maturity date from April 2024 to July 2024 $ 3.7   ₩ 5.0
B. Riley Principal Capital II, LLC      
Subsequent Events      
Period for issuance of stock 24 months 24 months  
Common stock purchase agreement | B. Riley Principal Capital II, LLC      
Subsequent Events      
Maximum aggregate amount of stock issuance $ 50.0