Annual report pursuant to Section 13 and 15(d)

INVESTMENTS (Details Narrative)

v3.24.2
INVESTMENTS (Details Narrative)
₩ / shares in Units, $ / shares in Units, ₩ in Millions
 1 Months Ended 12 Months Ended
Dec. 28, 2023
USD ($)
Dec. 28, 2023
JPY (¥)
Sep. 28, 2020
USD ($)
$ / shares
Sep. 28, 2020
₩ / shares
Apr. 30, 2023
USD ($)
Apr. 30, 2023
KRW (₩)
Feb. 28, 2022
USD ($)
Feb. 28, 2022
KRW (₩)
Oct. 31, 2018
USD ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Apr. 30, 2023
KRW (₩)
Feb. 28, 2022
KRW (₩)
Dec. 31, 2018
USD ($)
Oct. 31, 2018
JPY (¥)
Schedule Of Investments [Line Items]                              
Call option agreement date     Sep. 28, 2020                        
Realized net gain on investment bond         $ 106,000   $ (126,000)                
Other income             41,000                
Translation adjustment, net of tax                   $ (977,000) $ 713,000        
Net loan receivable from EJ Holdings                   16,869,000          
Niihara International, Inc [Member]                              
Schedule Of Investments [Line Items]                              
Shares sale and assignment $ 25,304 ¥ 3,600,000               25,000,000          
EJ Holdings, Inc. [Member]                              
Schedule Of Investments [Line Items]                              
Secured debt percentage                 1.00%           1.00%
Investment amount                           $ 32,000  
Percentage of voting interest                           40.00%  
Unsecured debt                 $ 13,600,000            
Debt instrument, maturity date                 Sep. 30, 2028            
Unsecured debt, additional borrowings                   2,600,000 5,300,000        
Loan receivables                   25,800,000 $ 25,000,000        
Translation adjustment, net of tax $ 1,500,000                            
Net loan receivable from EJ Holdings                   $ 16,900,000          
EJ Holdings, Inc. [Member] | Unsecured Debt Due On December 28, 2027 [Member]                              
Schedule Of Investments [Line Items]                              
Aggregated principal amount | ¥                             ¥ 1,818,667,860
Debt instrument, maturity date                 Dec. 28, 2027            
EJ Holdings, Inc. [Member] | Japan Industrial Partners [Member]                              
Schedule Of Investments [Line Items]                              
Equity method investment, ownership percentage                           60.00%  
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             Oct. 16, 2030          
Secured debt percentage     2.10% 2.10%           2.10%          
Convertible bond initial conversion price | (per share)     $ 8 ₩ 9,232                      
Offset amount against principal amount of convertible bond             2,900,000           ₩ 3,500    
Cash proceeds to shortfall in revenue and profits             $ 310,000 ₩ 400              
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