v3.25.4

Employee Stock Compensation Plans (Details Narrative) - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Jun. 20, 2023	Jun. 18, 2013
Unrecognized stock option compensation cost related to non-vested options	$ 815,000
Unrecognized stock option compensation cost related to non-vested options, period of recognition	26 months
Average remaining contractual life of Solitario's outstanding options	2 years 6 months 10 days
Average remaining contractual life of Solitario's vested options	3 years 2 months 15 days
Stock options granted	1,600,000	2,125,000
2023 Plan [Member]
Stock options granted	3,775,000
2013 Plan [Member]
Common stock, capital shares reserved for future issuance			5,000,000	5,750,000
2013 Plan [Member] | Stock Option [Member]
Award vesting rights on grant date, percentage	25.00%
Award vesting rights, percentage	25.00%
Stock option exercised in period, shares	1,028,500	250,000
Proceeds from stock options exercised	$ 206,000	$ 54,000
Aggregate intrinsic value per share	$ 0.70	$ 0.59
Employee stock option expense	$ 583,000	$ 666,000

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