XML 48 R34.htm IDEA: XBRL DOCUMENT v3.3.1.900
Mineral Properties - Mineral Properties - Exploration Expense (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Property, Plant and Equipment [Abstract]    
Geologic and field expenses $ 31 $ 197
Administrative 58 82
Total exploration expense $ 89 $ 279