v3.24.3

Employee Stock Compensation Plans (Details Narrative) - USD ($)	1 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended
	Jun. 20, 2023	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023	Jun. 18, 2013
Unrecognized stock option compensation cost related to non-vested options		$ 966,000		$ 966,000
Stock-based compensation expense		125,000	$ 58,000	$ 540,000	$ 184,000
2023 Plan [Member]
Option exercise price				$ 0.85
Options granted				2,125,000
Expected life years				5 years
Expected volatility				71.50%
Options vesting description				vest 25% on the date of grant and 25% on each anniversary date for the next three years
Risk free interest rate				4.30%
Grant date fair value				$ 1,120,000
Common stock, capital shares reserved for future issuance	5,000,000
Intrinsic value		$ 10,000		$ 10,000
Options, vested and exercisable		2,175,000		2,175,000		50,000
Vested and exercisable shares to acquire shares of common stock		543,750		543,750		12,500
Options, vested and exercisable exercise price, Minimum		$ 0.51		$ 0.51
Options, vested and exercisable exercise price, Maximum		0.85		$ 0.85
Average remaining contractual life of Solitario's outstanding options	10 years			4 years 8 months 1 day
2013 Plan [Member]
Common stock, capital shares reserved for future issuance							5,750,000
Options exercise price, Minimum		0.20	$ 0.28	$ 0.20	$ 0.28
Options exercise price, Maximum		$ 0.28	$ 0.31	$ 0.28	$ 0.31
2013 Plan [Member] \| Stock Option [Member]
Options granted		200,000	145,000	250,000	195,000
Stock option exercised in period, shares				3,173,500		3,778,500
Intrinsic value		$ 718,000		$ 718,000
Proceeds from stock options exercised		$ 40,000	$ 45,000	$ 54,000	$ 59,000
Options, vested and exercisable		2,171,000		2,171,000		2,563,500
Options, vested and exercisable price per share amount		$ 0.20		$ 0.20		$ 0.69
Aggregate intrinsic value		$ 132,000	$ 37,000	$ 144,000	$ 52,000
Average remaining contractual life of Solitario's outstanding options				2 years 1 month 2 days

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 14.F)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479830/718-10-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 718
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480429/718-10-50-2

SOLITARIO RESOURCES CORP. 10-Q