Quarterly report pursuant to Section 13 or 15(d)

INVESTMENTS (Details Narrative)

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INVESTMENTS (Details Narrative)
₩ / shares in Units, $ / shares in Units, ₩ in Millions
1 Months Ended 3 Months Ended
Dec. 28, 2023
USD ($)
Dec. 28, 2023
JPY (¥)
Sep. 28, 2020
USD ($)
$ / shares
Sep. 28, 2020
₩ / shares
Oct. 31, 2018
USD ($)
Apr. 30, 2023
USD ($)
Apr. 30, 2023
KRW (₩)
Oct. 31, 2018
USD ($)
Mar. 31, 2024
USD ($)
Mar. 31, 2023
USD ($)
Mar. 31, 2024
KRW (₩)
Dec. 31, 2023
USD ($)
Dec. 31, 2023
KRW (₩)
Apr. 30, 2023
KRW (₩)
Dec. 31, 2018
USD ($)
Oct. 31, 2018
JPY (¥)
Schedule Of Investments [Line Items]                                
Call option agreement date     Sep. 28, 2020                          
Realized net gain on investment bond           $ 106,000                    
Translation adjustment, net of tax                 $ 18,000 $ 186,000            
Net loan receivable from EJ Holdings                 16,869,000     $ 16,869,000        
Niihara International, Inc [Member]                                
Schedule Of Investments [Line Items]                                
Shares sale and assignment $ 25,304 ¥ 3,600,000                            
EJ Holdings, Inc. [Member]                                
Schedule Of Investments [Line Items]                                
Secured debt percentage         1.00%     1.00%               1.00%
Investment amount                             $ 32,000  
Percentage of voting interest                             40.00%  
Unsecured debt         $ 13,600,000     $ 13,600,000                
Debt instrument, maturity date         Sep. 30, 2028                      
Unsecured debt, additional borrowings                       2,600,000        
Loan receivables                 25,800,000     25,800,000        
Translation adjustment, net of tax $ 1,500,000                              
Net loan receivable from EJ Holdings                 16,900,000              
EJ Holdings, Inc. [Member] | Japan Industrial Partners [Member]                                
Schedule Of Investments [Line Items]                                
Equity method investment, ownership percentage                             60.00%  
Unsecured Debt Due On December 28, 2027 [Member] | EJ Holdings, Inc. [Member]                                
Schedule Of Investments [Line Items]                                
Debt instrument, maturity date               Dec. 28, 2027                
Aggregated principal amount | ¥                               ¥ 1,818,667,860
Maximum [Member]                                
Schedule Of Investments [Line Items]                                
Percentage of principal amount of convertible bond to be repurchased     50.00%                          
Telcon, Inc. ("Telcon") [Member]                                
Schedule Of Investments [Line Items]                                
Convertible bond maturity date     Oct. 16, 2030                          
Secured debt percentage     2.10% 2.10%                        
Convertible bond initial conversion price | (per share)     $ 8.00 ₩ 9,232                        
Convertible bond receivable                 $ 17,500,000   ₩ 23,600 $ 17,500,000 ₩ 23,600      
Convertible Bond Purchase Agreement [Member] | Telcon, Inc. ("Telcon") [Member]                                
Schedule Of Investments [Line Items]                                
Purchase of principal amount of convertible bond at face value     $ 26,100,000                          
API Supply Agreement [Member] | Telcon RF Pharmaceuticals, Inc. ("Telcon") [Member]                                
Schedule Of Investments [Line Items]                                
Offset amount against principal amount of convertible bond           2,200,000               ₩ 2,900    
Cash proceeds to shortfall in revenue and profits           $ 236,000 ₩ 307                  
API Supply Agreement [Member] | Telcon RF Pharmaceuticals, Inc. ("Telcon") [Member] | Maximum [Member]                                
Schedule Of Investments [Line Items]                                
Annual Profit     2,500,000                          
API Supply Agreement [Member] | Telcon RF Pharmaceuticals, Inc. ("Telcon") [Member] | Minimum [Member]                                
Schedule Of Investments [Line Items]                                
Annual Revenue     $ 5,000,000