XML 21 R55.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Derivative Instruments - Derivatives - Derivative Instruments Presented in Balance Sheets (Details) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012
Derivatives not designated as hedging instruments under ASC 815 |  |
RMB warrants (Balance sheet location Long Term Liabilities) | $ 140,000 | $ 1,138,000
Kinross calls (Balance sheet location Other Current Liabilities) | $ 3,000 |

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_KinrossCallsOnBalanceSheet
Namespace Prefix: | XPL_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | XPL_RMBWarrantsOnBalanceSheet
Namespace Prefix: | XPL_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration