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Mineral property (GDLR) (Details) - Guadalupe De Los Reyes, Mexico [Member] - USD ($) $ in Thousands		1 Months Ended		12 Months Ended	15 Months Ended
	Feb. 25, 2016	Mar. 31, 2015	Apr. 30, 2014	Dec. 31, 2014	Mar. 31, 2015
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
Period of payment			3 years
Proceeds from sale of gold project, net of legal costs		$ 496		$ 500
First Year [Member] | Option Agreement [Member] | Great Panther Silver Limited [Member]
Property, Plant and Equipment [Line Items]
Proceeds from sale of gold project, net of legal costs					$ 996

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Percentage of interest in joint venture to be returned upon election not to make payment.

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Represents the percentage of mineral interest owned by the entity.

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Period of payment.

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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, net of legal costs.

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Sale price of gold/silver project.

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