XML 36 R27.htm IDEA: XBRL DOCUMENT v3.23.1

Marketable Equity Securities (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Investments in marketable equity securities, at fair value	$ 1,278	$ 949
Kinross Gold Corp [Member]
Investments in marketable equity securities, at fair value	$ 471	$ 409
Shares	100,000	100,000
Vendetta Mining Corp. [Member]
Investments in marketable equity securities, at fair value	$ 373	$ 229
Shares	7,750,000	7,750,000
Vox Royalty Corp. [Member]
Investments in marketable equity securities, at fair value	$ 412	$ 311
Shares	134,055	134,055
Highland Silver Corp [Member]
Investments in marketable equity securities, at fair value	$ 22	$ 0
Shares	200,000	200,000

X

- References

No definition available.

+ Details

Name:	slr_InvestmentsInMarketableEquitySecuritiesAtFairValue
Namespace Prefix:	slr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	slr_MarketableEquitySecurityShares
Namespace Prefix:	slr_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Details

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

X

- Details

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

X

- Details

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

X

- Details

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