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DISCONTINUED OPERATIONS AND PREFERRED STOCK ISSUANCE (Details 1) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Discontinued Operations and Disposal Groups [Abstract]    
Issuance of preferred stock to induce disposition $ (1,999)
Operating expenses of mining segment:    
Water treatment plant (211)
Mine property holding costs (117)
Total results for discontinued operations $ (2,327)