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Sale of Oil and Gas Properties - Additional Information (Detail)
 1 Months Ended 12 Months Ended
Dec. 24, 2014
USD ($)
May 21, 2014
USD ($)
a
Well
Dec. 13, 2013
USD ($)
a
Jan. 24, 2013
USD ($)
Unit
Feb. 28, 2014
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Dec. 31, 2013
USD ($)
Dec. 31, 2012
Mcfe
Oil and Gas Properties [Line Items]                  
Sale of interests in non-core assets       $ 2,600,000          
Overriding royalty interest on most of the wells       2.50%          
Number of wellbores operator assumed | Unit       300          
Production of wells Mcfe per day | Mcfe                 800
Overriding royalty interest retained           5.00%      
Lease acres owned by Company, net of curable and incurable title defects | a     1,114.8            
Lease acres owned by Company, gross | a     4,650            
Total lease acres excluded from sale due to incurable title defects | a     118.6            
Total lease acres owned by company excluded from sale due to incurable title defects | a     39.8            
Additional lease acres excluded from sale due to curable title defects | a     135.5            
Additional lease acres owned by Company excluded from sale due to curable title defects | a     30.7            
Expected additional amount due and payable to Company               $ 200,000  
Cash received     $ 10,600,000     $ 6,978,469 $ 19,332,078 $ 230,064  
Total purchase price     $ 36,300,000            
Cash received related to curable title defects         $ 489,608        
Loss on sale of assets             $ 259,544    
Republic PSA [Member]                  
Oil and Gas Properties [Line Items]                  
Cash received $ 10,700,000 $ 15,000,000              
Total purchase price $ 11,000,000                
Undeveloped leasehold, net acres | a   2,239              
Number of wells drilled in Marshall County, West Virginia | Well   6              
Percentage of net profits to be received   25.00%              
Value of oil and gas properties to be repurchased   $ 15,000,000              
Republic PSA [Member] | Wetzel County West Virginia [Member]                  
Oil and Gas Properties [Line Items]                  
Percentage of over-riding royalty interest   1.50%              
Republic PSA [Member] | Marshall County West Virginia [Member]                  
Oil and Gas Properties [Line Items]                  
Percentage of over-riding royalty interest   1.00%              
Purchase and Sale Agreement [Member]                  
Oil and Gas Properties [Line Items]                  
Membership interest in purchase and sale agreement   25.00%              
Membership interest in purchase and sale agreement   12.00%              
Portion of future leasehold expenditures   50.00%