Quarterly report pursuant to Section 13 or 15(d)

INVESTMENTS (Details Narrative)

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INVESTMENTS (Details Narrative) - USD ($)
1 Months Ended 9 Months Ended 12 Months Ended
Feb. 28, 2020
Jan. 01, 2018
Oct. 31, 2018
Jul. 31, 2017
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Sep. 22, 2020
Dec. 31, 2018
Schedule Of Investments [Line Items]                  
Impairment loss for equity securities           $ 524,000      
Debt instrument, maturity date Apr. 21, 2021                
Debt instrument annual interest               2.10%  
EJ Holding, Inc. [Member]                  
Schedule Of Investments [Line Items]                  
Investment amount                 $ 32,000
Percentage of voting interest                 40.00%
Unsecured debt     $ 13,200,000   $ 2,600,000        
Debt instrument, maturity date     Sep. 30, 2028            
Debt instrument annual interest     1.00%            
Loans receivable         14,500,000   $ 13,800,000    
Telcon, Inc. ("Telcon") [Member]                  
Schedule Of Investments [Line Items]                  
Shares held as marketable securities             6,643,559    
Investment       $ 31,800,000          
Investment, closing price             $ 4.20    
Net unrealized losses on available-for-sales on marketable securities             $ 43,200,000    
Telcon, Inc. ("Telcon") [Member] | API Supply Agreement [Member] | 10-year Convertible Bond [Member]                  
Schedule Of Investments [Line Items]                  
Convertible notes payable, carrying amount             26,100,000    
Total net proceeds from sale of convertible notes         $ 35,600,000        
Telcon, Inc. ("Telcon") [Member] | Marketable Equity Securities [Member]                  
Schedule Of Investments [Line Items]                  
Fair value of shares recorded in investment             $ 27,900,000    
Telcon, Inc. ("Telcon") [Member] | ASU 2016-01 [Member]                  
Schedule Of Investments [Line Items]                  
Net unrealized losses on available-for-sales on marketable securities   $ 43,200,000              
Japan Industrial Partners [Member] | EJ Holding, Inc. [Member]                  
Schedule Of Investments [Line Items]                  
Equity interest                 60.00%