Plant And Equipment (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Property, Plant and Equipment [Line Items]
Cost	$ 7,716	$ 5,510
Accumulated depreciation and write downs	2,460	1,918
Net	5,256	3,592
Assets held for sale (mill equipment	10,000	10,000
Awak Mas, Indonesia [Member]
Property, Plant and Equipment [Line Items]
Cost	242	242
Accumulated depreciation and write downs	242	242
Mt. Todd, Australia [Member]
Property, Plant and Equipment [Line Items]
Cost	5,485	3,497
Accumulated depreciation and write downs	1,586	1,124
Net	3,899	2,373
Los Cardones, Mexico [Member]
Property, Plant and Equipment [Line Items]
Cost	1,194	1,194
Accumulated depreciation and write downs	119	109
Net	1,075	1,085
Guadalupe de los Reyes, Mexico [Member]
Property, Plant and Equipment [Line Items]
Cost	21	21
Accumulated depreciation and write downs	5	3
Net	16	18
Corporate, United States [Member]
Property, Plant and Equipment [Line Items]
Cost	774	556
Accumulated depreciation and write downs	508	440
Net	$ 266	$ 116

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Gross amount 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.

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- Definition

Amount, net of accumulated depreciation, depletion and amortization, 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.

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