XML 57 R31.htm IDEA: XBRL DOCUMENT v3.25.0.1

Marketable Equity Securities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Marketable equity securities at fair value	$ 1,322	$ 1,032
Kinross Gold Corp. [Member]
Marketable equity securities at fair value	$ 927	$ 605
Shares	100,000	100,000
Highland Silver Corp [Member]
Marketable equity securities at fair value	$ 0	$ 33
Shares	0	100,000
Vendetta Mining Corp. [Member]
Marketable equity securities at fair value	$ 81	$ 118
Shares	7,750,000	7,750,000
Vox Royalty Corp. [Member]
Marketable equity securities at fair value	$ 314	$ 276
Shares	134,055	134,055

X

- References

No definition available.

+ Details

Name:	xpl_AvailableForSalesSecuritiesCurrent
Namespace Prefix:	xpl_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	xpl_MarketableEquitySecurityShares
Namespace Prefix:	xpl_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Details

Name:	us-gaap_PropertyPlantAndEquipmentByTypeAxis=xpl_KinrossGoldCorpMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=xpl_HighlandSilverCorpMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=xpl_VendettaMiningCorpMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=xpl_VoxRoyaltyCorpMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: