Derivative and Hedging Financial Instruments - Additional Information (Detail) (USD $)	1 Months Ended	9 Months Ended
	Jun. 30, 2013 MMBTU	Sep. 30, 2013	May 09, 2013	Dec. 31, 2012
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Warrant expiry date		Feb. 28, 2015
Costless collars covering percentage on its expected natural gas production			85.00%
Monthly volumes declining of MMBtu	207,000
Derivative assets fair value		$ 522,733
Put Option [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Strike Price of Costless Collar			4.00
Call Option [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Strike Price of Costless Collar			4.28
Scenario, Forecast [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Total MMBtu hedged over the period		3.4
Monthly volumes declining of MMBtu		113,000
ASD Credit Agreement [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Warrants and rights outstanding		$ 2,000,000
Warrants Rights		19,500
ASD Stock Percentage		19.50%
Warrants exercise price		$ 263.44