CONSOLIDATED STATEMENTS OF CASH FLOWS (unaudited) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Operating Activities:
Consolidated net loss	$ (10,907)	$ (33,744)
Adjustments to reconcile consolidated net loss to net cash provided by (used in) operating activities:
Depreciation and amortization of intangibles	8,979	9,216
Interest expense added to Plant Owners' debt	4,745	1,407
Loss on extinguishments of debt	1,795	0
Fair value adjustments on convertible debt and warrants	(2,293)	(352)
Amortization of debt discount	875	0
Amortization of deferred financing fees	1,621	455
Inventory valuation	8	275
Non-cash compensation	1,310	705
Derivative instruments	1,652	(202)
Bad debt expense (recovery)	231	(15)
Changes in operating assets and liabilities:
Accounts receivable	(1,282)	642
Inventories	2,507	1,482
Prepaid expenses and other assets	(1,696)	1,480
Prepaid inventory	(5,810)	3,144
Accounts payable and accrued expenses	3,138	4,085
Net cash provided by (used in) operating activities	4,873	(11,422)
Investing Activities:
Additions to property and equipment	(1,936)	(2,115)
Purchases of New PE Holdco ownership interests	(1,836)	(10,000)
Net cash used in investing activities	(3,772)	(12,115)
Financing Activities:
Proceeds from senior unsecured notes	22,192	0
Proceeds from Series A and B Convertible Notes	14,000	0
Proceeds from exercise of warrants	2,064	0
Net proceeds from sales of common stock and warrants	0	20,994
Proceeds from Plant Owners' borrowings	5,000	16,522
Net payments on Kinergys' line of credit	(599)	(3,273)
Principal Payments on Plant Owners' borrowings	(8,622)	0
Principal payments on senior unsecured notes	(5,303)	0
Parent purchases of Plant Owners' debt	(25,273)	0
Debt issuance costs	(1,560)	0
Preferred stock dividends paid	(946)	(949)
Payments on capital lease	(465)	0
Net cash provided by financing activities	488	33,294
Net increase in cash and cash equivalents	1,589	9,757
Cash and cash equivalents at beginning of period	7,586	8,914
Cash and cash equivalents at end of period	9,175	18,671
Supplemental Information:
Interest paid	4,594	7,504
Noncash financing and investing activities:
Corn oil separation capital lease	12,122	0
Original discount on senrior and convertible debt	8,558	0
Debt extinguished with issuance of common stock	11,475	0
Notes issued for purchase of 33% ownership interest in New PE Holdco	0	10,000
Preferred stock dividends paid in common stock	2,195	732
Reclass of noncontrolling interest in VIE to APIC upon acquisitions of ownership interests in New PE Holdco	9,087	0
Reclass of warrant liability to equity upon warrant exercises	$ 260	$ 0