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Employee Stock Compensation Plans (Details Narrative) - USD ($)	1 Months Ended	3 Months Ended
	Jun. 20, 2023	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024	Jun. 18, 2013
Unrecognized stock option compensation cost related to non-vested options		$ 715,000
Stock-based compensation expense		$ 126,000	$ 59,000
Unrecognized stock option compensation cost related to non-vested options, period of recognition		23 months
2023 Plan
Common stock, capital shares reserved for future issuance	5,000,000
Average remaining contractual life of Solitario's outstanding options	10 years
2023 Plan | Stock Option
Stock option outstanding		2,175,000		2,175,000
Options, vested and exercisable price per share amount		$ 0.51		$ 0.85
Options, vested and exercisable		556,250		556,250
Aggregate intrinsic value		$ 4,000
Average remaining contractual life of Solitario's outstanding options		4 years 5 months 1 day
2013 Plan
Common stock, capital shares reserved for future issuance					5,750,000
2013 Plan | Stock Option
Stock option outstanding		2,395,000		3,273,500
Options granted		778,500	50,000
Proceeds from stock options exercised		$ 156,000	$ 14,000
Options, vested and exercisable price per share amount		$ 0.20		$ 0.67
Options, vested and exercisable		1,893,750		2,672,250
Aggregate intrinsic value		$ 98,000
Average remaining contractual life of Solitario's outstanding options		2 years 1 month 9 days

X

- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

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-Topic 718
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-Name Accounting Standards Codification
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Aggregate number of common shares reserved for future issuance.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Gross number of share options (or share units) granted during the period.

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Number of fully vested and expected to vest exercisable options that may be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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