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ASSET RETIREMENT OBLIGATIONS (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]    
Balance, beginning of year $ 281 $ 131
Oil and Gas Properties [Member]    
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]    
Balance, beginning of year 945 637
Accretion of discount 32 27
Liabilities incurred 61 281
Balance, end of year 1,038 945
Mining Properties and Mineral Rights [Member]    
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]    
Balance, beginning of year 188 175
Accretion of discount $ 16 $ 13
Liabilities incurred
Balance, end of year $ 204 $ 188