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Marketable Equity Securities (Details 3) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Marketable Equity Securities |  |  |  |
Unrealized (loss) gain on marketable securities | $ (227) | $ (368) | $ (102) | $ (155)
Realized (loss) Gain On Marketable Equity Securities Sold | 0 | (78) | 0 | (159)
Net loss on marketable securities | $ (227) | $ (446) | $ (102) | $ (314)

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