XML 28 R52.htm IDEA: XBRL DOCUMENT v2.4.0.6

Derivative Instruments - Derivative Instruments Location and Amount (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Derivatives not designated as hedging instruments under ASC 815
RMB warrants in long-term liabilities	$ 1,138
Ely Investment warrants in current other assets		74
ILC warrants in current other assets		$ 4

X

- Details

Name:	XPL_DerivativesNotDesignatedAsHedgingInstruments
Namespace Prefix:	XPL_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

No authoritative reference available.

+ References

No definition available.

+ Details

Name:	XPL_ElyInvestmentWarrantsOtherCurrentAssets
Namespace Prefix:	XPL_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

No authoritative reference available.

+ References

No definition available.

+ Details

Name:	XPL_ILCWarrantsOtherCurrentAssets
Namespace Prefix:	XPL_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

No authoritative reference available.

+ References

No definition available.

+ Details

Name:	XPL_RMBWarrantsLongTermLiabilities
Namespace Prefix:	XPL_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant