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v2.4.0.6

Short Term Debt - Short Term Debt (Details) (USD $) | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | ---
UBS short-term credit line |  |
Beginning balance | $ 2,000 | $ 1,918
Borrowing | 1,200 | 82
Repayments | (1,700) |
Ending balance | 1,500 | 2,000
RBC short term margin loan |  |
Beginning balance |  | 905
Borrowing | 1,465 | 1,000
Repayments | (1,465) | (1,905)
Ending balance |  |
Total short-term margin loans | $ 1,500 | $ 2,000

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

X
- Details
Name: | XPL_RBCShortTermMarginLoan
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_RBCShortTermMarginLoanBeginningBalance
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_RBCShortTermMarginLoanEndingBalance
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_RepaymentsRBCShortTermMargiLoan
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_RepaymentsUBSShortTermCreditLine
Namespace Prefix: | XPL_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | XPL_ShortTermCreditLine
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_TotalShortTermMarginLoans
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_UBSShortTermCreditLineBeginningBalance
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_UBSShortTermCreditLineEndingBalance
Namespace Prefix: | XPL_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant