XML 40 R28.htm IDEA: XBRL DOCUMENT v3.10.0.1
Asset Retirement Obligation (Tables)
 6 Months Ended
Jun. 30, 2017
Asset Retirement Obligation Disclosure [Abstract]  
Schedule of asset retirement obligations

  

    Six months ended
June 30,
2017		     Year 
ended December 31, 
2016		  
Asset retirement obligation, beginning of period   $ 974,109     $ 901,597  
                 
Accretion expense     36,256       72,512  
Asset retirement obligation, end of period   $ 1,010,365     $ 974,109