Provision for Taxes - Net Deferred Tax Assets and Liabilities (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Deferred tax assets:
NOL carryover	$ 17,465,000	$ 5,682,000
AMT credit	606,000	606,000
Unrealized loss on derivative contract	43,000	275,000
Other	14,000	142,000
Total deferred tax assets	18,128,000	6,705,000
Deferred tax liabilities:
Depreciation, depletion and amortization	(3,447,000)	(552,000)
Total deferred tax liabilities	(3,447,000)	(552,000)
Valuation allowance	(14,681,000)	(6,153,000)
Net deferred taxes