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Fair Value of Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Fair Value of Financial Instruments
Marketable equity securities	$ 1,322	$ 1,032
Kinross call options	67
Assets
Short-term investments	4,523	8,436
Level 1 [Member]
Fair Value of Financial Instruments
Marketable equity securities	1,322	1,032
Kinross call options	67
Assets
Short-term investments	4,523	8,436
Level 2 [Member]
Fair Value of Financial Instruments
Marketable equity securities	0	0
Kinross call options	0
Assets
Short-term investments	0	0
Level 3 [Member]
Fair Value of Financial Instruments
Marketable equity securities	0	0
Kinross call options	0
Assets
Short-term investments	$ 0	$ 0

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Amount of investment in marketable security.

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-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
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-Subparagraph (SX 210.9-03(4))
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-Section S99
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