XML 54 R40.htm IDEA: XBRL DOCUMENT v3.3.1.900

Marketable Equity Securities (Details Narrative) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) shares
Investments [Abstract]
Shares of Ely Gold stock transferred | shares	15,732,274
Loss on transfer of Ely stock	$ 1,510,000
Fair value of other marketable securities	$ 20

X

- References

No definition available.

+ Details

Name:	XPL_GainLossOnInvestmentsTransferred
Namespace Prefix:	XPL_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	XPL_MarketableSecuritiesSharesEly
Namespace Prefix:	XPL_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_InvestmentsAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

For an unclassified balance sheet, this item represents investments in common and preferred stocks and other forms of securities that provide ownership interests in a corporation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(b))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

Name:	us-gaap_MarketableSecuritiesEquitySecurities
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant