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Shareholders Equity (Details Narrative) - ATM Agreement [Member] $ in Millions	1 Months Ended
	Dec. 19, 2023 USD ($)
Proceeds From Sales Of Shares	$ 10.0
Commission Rate	3.00%

X

- Definition

The cash inflow associated with the sale, maturity and collection of all investments such as debt, security and so forth during the period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482740/230-10-45-12

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	xpl_CommissionRate
Namespace Prefix:	xpl_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_PlanNameAxis=xpl_ATMAgreementMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: