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DISCONTINUED OPERATIONS (Details 1) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Discontinued Operations and Disposal Groups [Abstract]        
Issuance of preferred stock to induce dispostion $ 2,000
Operating expenses of mining segment:        
Water treatment plant (424) (256) (852)
Mine property holding costs (252) (117) (545)
Depreciation of mine equipment (31) (62)
Professional fees related to disposition (10) (76)
Total results for discontinued operations $ (10) $ (707) $ (2,448) $ (1,459)