Derivative Instruments	12 Months Ended
Dec. 31, 2022
Derivative Instruments
Derivative Instruments	7. Derivative Instruments: Covered call options From time-to-time Solitario has sold covered call options against its holdings of shares of common stock of Kinross included in Marketable Equity Securities. The business purpose of selling covered calls is to provide additional income on a limited portion of shares of Kinross that Solitario may sell in the near term, which is generally defined as less than one year and any changes in the fair value of its covered calls are recognized in the statement of operations in the period of the change. During 2021, Solitario sold covered calls against its holdings of Kinross for cash proceeds of $8,000 all of which expired unexercised. As of December 31, 2022 and 2021, Solitario has no remaining liability related to Kinross call options.

The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-URI https://asc.fasb.org/topic&trid=2229140

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 40
-Section 50
-Paragraph 5
-Subparagraph (f)
-URI https://asc.fasb.org/extlink&oid=126731327&loc=d3e90205-114008

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