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

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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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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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

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Number of options outstanding, including both vested and non-vested options.

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Employee Stock Compensation Plans (Details Narrative) - USD ($)	1 Months Ended	3 Months Ended
	Jun. 20, 2023	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025	Jun. 18, 2013
Unrecognized stock option compensation cost related to non-vested options		$ 681,000
Stock-based compensation expense		$ 67,000	$ 126,000
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
2013 Plan [Member]
Common stock, capital shares reserved for future issuance					5,750,000
Stock Option \| 2023 Plan
Stock option outstanding		3,600,000		3,600,000
Options, vested and exercisable price per share amount		$ 0.51		$ 0.85
Options, vested and exercisable		1,412,500		1,412,500
Aggregate intrinsic value		$ 320,000
Average remaining contractual life of Solitario's outstanding options		3 years 10 months 2 days
Stock Option \| 2013 Plan [Member]
Stock option outstanding		1,965,000		1,965,000
Options, vested and exercisable price per share amount		$ 0.60		$ 0.69
Options granted			778,500
Proceeds from stock options exercised			$ 156,000
Aggregate intrinsic value		$ 422,000
Average remaining contractual life of Solitario's outstanding options		1 year 4 months 6 days