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Mineral Properties (GDLR) (Details) - Guadalupe De Los Reyes, Mexico [Member] $ in Thousands |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Feb. 25, 2016 USD ($) | Mar. 31, 2015 USD ($) | Apr. 30, 2014 USD ($) item | Dec. 31, 2014 USD ($)
Property, Plant and Equipment [Line Items] |  |  |  |
Percentage of interest owned | 100.00% |  |  |
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] | 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 |  |  |  | $ 500
Proceeds from sale of gold project, net of legal costs |  | $ 496 |  |
Second Year [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] | 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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