XML 14 R33.htm IDEA: XBRL DOCUMENT v3.3.0.814

Mineral Property (Details Narrative) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Feb. 22, 2012
Property, Plant and Equipment [Abstract]
Interest earned in Mt. Hamilton LLC			80.00%
Mineral property write-downs		$ 20
Royalty	1.00%	1.00%

X

- References

No definition available.

+ Details

Name:	XPL_InterestEarnedInRelatedPartyTransaction
Namespace Prefix:	XPL_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	XPL_MineralPropertyRoyaltyInterest
Namespace Prefix:	XPL_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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

X

- Definition

Amount of divestiture of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

Name:	us-gaap_PropertyPlantAndEquipmentDisposals
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration