Derivative and Hedging Financial Instruments - Additional Information (Detail) (USD $)	1 Months Ended	6 Months Ended			1 Months Ended		6 Months Ended								0 Months Ended	6 Months Ended
	Jun. 30, 2013 MMBTU	Jun. 30, 2014 MMBTU	Dec. 31, 2013	May 09, 2013	Nov. 30, 2018 Scenario, Forecast [Member] MMBTU	Jul. 31, 2014 Scenario, Forecast [Member] MMBTU	Jun. 30, 2014 Gas Hedges [Member] MMBTU	Jun. 30, 2014 Energy Related Derivative [Member]	Dec. 31, 2013 Energy Related Derivative [Member]	May 21, 2014 Fixed Price Hedges [Member]	May 09, 2013 Put Option [Member]	May 21, 2014 Put Option [Member] Minimum [Member]	May 21, 2014 Put Option [Member] Maximum [Member]	May 09, 2013 Call Option [Member]	Dec. 20, 2013 ASD Credit Agreement [Member]	Jun. 30, 2014 ASD Credit Agreement [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Costless collars covering percentage on its expected natural gas production				85.00%
Strike Price of Costless Collar											4.00	4.38	4.06	4.28
Total MMBtu hedged over the period		1,600,000					13,932,171
Monthly volumes declining of MMBtu	207,000	113,000			171,940	444,534
Derivative liabilities fair value		$ (2,701,354)	$ (125,773)					$ (428,163)	$ (125,773)	$ (2,273,191)
Fixed price covering percentage on its expected natural gas production				90.00%
Warrants and rights outstanding																2,000,000
Warrants Rights																19,500
ASD Stock Percentage															19.50%	19.50%
Warrants exercise price																$ 263.44
Warrant expiry date		Feb. 28, 2015
Repurchase of warrants															$ 9,000,000