XML 72 R20.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Other Assets (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2013
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Other Assets |
(in thousands) | September 30, | December 31,
| 2013 | 2012
Deferred offering costs RMB Loan | $371 | $518
Accumulated Mt. Hamilton advance royalty payments | 300 | 300
Furniture and Fixtures, net of accumulated depreciation | 107 | 143
Exploration bonds and other assets | 52 | 111
Total other assets | $ 830 | $ 1,072

X
- Details
Name: | us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition No authoritative reference available. + References No definition available. + Details
Name: | XPL_DetailOtherAssetsTableTextBlock
Namespace Prefix: | XPL_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration