(3) Investments in Piceance Energy: Summary of Income Statement of Equity Investment (Details) (USD $)	3 Months Ended	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2013
Net loss		$ (28,650,000)
Piceance Energy
Natural gas, oil and natural gas liquids revenues	14,622	44,076
Natural gas and oil operating expenses	7,416	22,160
Depletion, depreciation and amortization	6,897	17,557
Management fee	1,950	5,850
General and administrative	447	2,420
Total operating expenses	16,710	47,987
Loss from operations	(2,088)	(3,911)
Income from derivatives	106	825
Interest expense and debt issue costs	(718)	(2,139)
Other expense	(20)	(91)
Total other expense, net	(632)	(1,405)
Net loss	(2,720)	(5,316)
Piceance Energy | Parent Company
Natural gas, oil and natural gas liquids revenues	4,875	14,695
Natural gas and oil operating expenses	2,473	7,388
Depletion, depreciation and amortization	2,299	5,854
Management fee	650	1,950
General and administrative	149	807
Total operating expenses	5,571	15,999
Loss from operations	(696)	(1,304)
Income from derivatives	35	275
Interest expense and debt issue costs	(239)	(713)
Other expense	(7)	(30)
Total other expense, net	(211)	(468)
Net loss	$ (907)	$ (1,772)