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 6 Months Ended
Dec. 28, 2023
USD ($)
Dec. 28, 2023
JPY (¥)
Sep. 28, 2020
USD ($)
$ / shares
Sep. 28, 2020
₩ / shares
Oct. 31, 2018
USD ($)
Apr. 30, 2024
USD ($)
Apr. 30, 2024
KRW (₩)
Apr. 30, 2023
USD ($)
Apr. 30, 2023
KRW (₩)
Oct. 31, 2018
USD ($)
Jun. 30, 2024
USD ($)
Mar. 31, 2024
USD ($)
Jun. 30, 2023
USD ($)
Mar. 31, 2023
USD ($)
Jun. 30, 2024
USD ($)
Jun. 30, 2023
USD ($)
Jun. 30, 2024
KRW (₩)
Apr. 30, 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]                                              
Secured debt percentage                     2.00%       2.00%   2.00%            
Call option agreement date     Sep. 28, 2020                                        
Realized net gain (loss) on investment bond           $ (347,000)   $ 106,000                              
Foreign currency translation adjustment                     $ 12,000 $ 18,000 $ 551,000 $ 186,000 $ 30,000 $ 737,000              
Net loan receivable from EJ Holdings                     16,869,000       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       25,800,000        
Foreign currency translation adjustment $ 1,500,000                                            
Net loan receivable from EJ Holdings                     16,900,000       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                                      
Telcon, Inc. ("Telcon") [Member] | Convertible Note [Member]                                              
Schedule Of Investments [Line Items]                                              
Aggregated principal amount                     $ 14,700,000       $ 14,700,000   ₩ 20,100   $ 18,200,000 ₩ 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           2,500,000   2,200,000                   ₩ 3,500     ₩ 2,900    
Cash proceeds to shortfall in revenue and profits           $ 640,000 ₩ 893 $ 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