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INVESTMENTS (Details Textual) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Dec. 31, 2022
Schedule of Investments [Line Items]          
Long-term Investments $ 7,247   $ 7,247   $ 4,455
Estimated Fair Value 23,153   23,153   18,369
Cost 23,259   23,259   16,121
Net change in unrealized appreciation (depreciation) on private investments 24 $ (299) 24 $ (262)  
us-gaap_EquitySecuritiesMember [Member]          
Schedule of Investments [Line Items]          
Cost $ 160   $ 160   $ 159