Overview (Details Textual) (USD $)		1 Months Ended	12 Months Ended
	Dec. 31, 2013	Jan. 23, 2014 Subsequent Event [Member]	Dec. 31, 2013 Hawaii Independent Energy LLC [Member]	Dec. 31, 2012 Texadian Energy Inc [Member]	Dec. 31, 2012 Delta Petroleum [Member]	Dec. 31, 2012 Piceance Energy [Member]	Dec. 31, 2013 Tesoro Acquisition [Member] Hawaii Independent Energy LLC [Member]
Unsecured Debt					$ 265,000,000
Payments to Acquire Businesses, Gross			75,000,000	14,000,000
Business Combination, Contingent Consideration, Liability	11,980,000		11,980,000				40,000,000
Noncontrolling Interest, Ownership Percentage by Parent						33.34%
Business Combination, Consideration Transferred, Liabilities Incurred				3,000,000
Business Combination, start-up expenses			$ 24,300,000
Stockholders Equity Reverse Stock Split		1:10 reverse stock split