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Plant And Equipment (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 USD ($) item | Dec. 31, 2014 USD ($) item
Property, Plant and Equipment [Line Items] |  |
Cost | $ 12,537 | $ 12,403
Accumulated depreciation and write downs | 3,745 | 3,061
Net | 8,792 | 9,342
Mt Todd Australia [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Cost | 5,617 | 5,483
Accumulated depreciation and write downs | 3,346 | 2,756
Net | 2,271 | 2,727
Guadalupe De Los Reyes Mexico [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Cost | 17 | 17
Accumulated depreciation and write downs | 9 | 8
Net | 8 | 9
Corporate United States [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Cost | 403 | 403
Accumulated depreciation and write downs | 390 | 297
Net | 13 | 106
Used mill equipment [Member] |  |
Property, Plant and Equipment [Line Items] |  |
Cost | 6,500 | 6,500
Net | 6,500 | 6,500
Value of equipment | $ 6,500 | $ 6,500
Number of months to be considered held-for-sale | item | 12 | 12

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- Definition Fair value portion of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19190-110258 + Details
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- Definition Amount before accumulated depreciation, depletion and amortization of 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, and furniture and fixtures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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