XML 26 R28.htm IDEA: XBRL DOCUMENT v3.3.0.814
Basis of Financial Statement Presentation and Significant Accounting Policies - Changes to Asset Retirement Obligations (Detail) - USD ($)
9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]    
Asset retirement obligations at beginning of period $ 90,928 $ 41,440
Liabilities incurred during the period 34,116 34,116
Accretion expense 3,000 3,000
Asset retirement obligations at end of period $ 128,044 $ 78,556