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Mineral property (GDLR) (Details) $ in Thousands |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Feb. 25, 2016 USD ($) | Mar. 31, 2015 USD ($) | Apr. 30, 2014 USD ($) item | Dec. 31, 2014 USD ($) | Dec. 31, 2015 USD ($)
Property, Plant and Equipment [Line Items] |  |  |  |  |
Mineral Properties, Net |  |  |  | $ 5,406 | $ 3,874
Guadalupe De Los Reyes Mexico [Member] |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Percentage of interest owned | 100.00% |  |  |  |
Mineral Properties, Net |  |  |  | 2,224 | $ 1,728
Guadalupe De Los Reyes Mexico [Member] | Option Agreement [Member] | Great Panther Silver Limited [Member] |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Percentage of interest in joint venture to be returned upon election not to make payment |  |  | 70.00% |  |
Sale price of gold project |  |  | $ 5,000 |  |
Number of payments | item |  |  | 5 |  |
Period of payment |  |  | 3 years |  |
First Year [Member] | Guadalupe De Los Reyes Mexico [Member] | Option Agreement [Member] | Great Panther Silver Limited [Member] |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Sale price of gold project |  |  | $ 1,000 |  |
Proceeds from sale of gold project |  | $ 496 |  | $ 500 |
Second Year [Member] | Guadalupe De Los Reyes Mexico [Member] | Option Agreement [Member] | Great Panther Silver Limited [Member] |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Sale price of gold project |  |  | 1,500 |  |
Amount of payment not made | $ 1,500 |  |  |  |
Third Year [Member] | Guadalupe De Los Reyes Mexico [Member] | Option Agreement [Member] | Great Panther Silver Limited [Member] |  |  |  |  |
Property, Plant and Equipment [Line Items] |  |  |  |  |
Sale price of gold project |  |  | $ 2,500 |  |

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- Definition The cash inflow associated with the deconsolidation of a previously consolidated subsidiary or sale of an entity that is related to it but not strictly controlled. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3179-108585 + Details
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