Provision for Taxes - Income Tax (Benefit) Provision (Detail) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current:	$ 0	$ 0
Deferred:
Change in depreciation, depletion and amortization	3,864,000	1,437,000
Change in unrealized gain (loss) on derivative	(1,399,000)	2,841,000
Change in other items	17,000	(17,000)
Change in NOL	(10,342,000)	(4,160,000)
Change in accruals	544,000	(1,020,000)
Change in valuation allowance	7,316,000	919,000
Total	$ 0	$ 0