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v3.23.2

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

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