Quarterly report pursuant to Section 13 or 15(d)

INVESTMENTS (Details Narrative)

v3.23.2
INVESTMENTS (Details Narrative)
₩ / shares in Units, $ / shares in Units, ₩ in Millions
 1 Months Ended 3 Months Ended 6 Months Ended
Sep. 28, 2020
USD ($)
$ / shares
Sep. 28, 2020
₩ / shares
Oct. 31, 2018
USD ($)
Apr. 30, 2023
USD ($)
Apr. 30, 2023
KRW (₩)
Feb. 28, 2022
USD ($)
Feb. 28, 2022
KRW (₩)
Jun. 30, 2023
USD ($)
Jun. 30, 2022
USD ($)
Jun. 30, 2023
USD ($)
Jun. 30, 2022
USD ($)
Apr. 30, 2023
KRW (₩)
Dec. 31, 2022
USD ($)
Feb. 28, 2022
KRW (₩)
Dec. 31, 2018
USD ($)
Schedule Of Investments [Line Items]                              
Call option agreement date Sep. 28, 2020                            
Revenue from contract               $ 10,759,000 $ 4,287,000 $ 17,512,000 $ 7,521,000        
Realized net loss on investment bond       $ 106,000   $ 126,000                  
Other income           41,000                  
EJ Holdings, Inc. [Member]                              
Schedule Of Investments [Line Items]                              
Secured debt percentage     1.00%                        
Investment amount                             $ 32,000
Percentage of voting interest                             40.00%
Unsecured Long Term Debt     $ 13,600,000                        
Debt instrument, maturity date     Sep. 30, 2028                        
Unsecured debt, additional borrowings               2,200,000   2,200,000          
Notes Receivable Gross               $ 24,700,000   24,700,000     $ 25,000,000.0    
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                            
Secured debt percentage 2.10% 2.10%                          
Convertible bond initial conversion price | (per share) $ 8.00 ₩ 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                    
API Supply Agreement [Member] | Telcon RF Pharmaceuticals, Inc. ("Telcon") [Member] | Minimum [Member]                              
Schedule Of Investments [Line Items]                              
Annual revenue                   5,000,000          
API Supply Agreement [Member] | Telcon RF Pharmaceuticals, Inc. ("Telcon") [Member] | Maximum [Member]                              
Schedule Of Investments [Line Items]                              
Annual revenue                   $ 2,500,000