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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2012 | Sep. 30, 2011 | Dec. 31, 2011 | Dec. 31, 2010
Operating Activities: |  |  |  |
Consolidated net loss | $ (33,744) | $ (4,785) | $ (4,023) | $ 69,483
Adjustments to reconcile consolidated net loss to cash used in operating activities: |  |  |  |
Depreciation and amortization of intangibles | 9,216 | 9,490 | 12,648 | 9,110
Fair value adjustments on convertible debt and warrants | (352) | (6,968) | (7,559) | 11,736
Inventory valuation | 275 | 157 | 47 | (490)
Gain on derivative instruments |  |  | (96) | (1,049)
Amortization of deferred financing fees | 455 | 485 | 651 | 1,001
Noncash compensation | 705 | 1,978 | 2,278 | 2,471
Derivative instruments | (202) | (334) |  |
Bad debt recovery | (15) | (185) | (218) | (184)
Interest on convertible debt paid with stock |  |  | 3,076 |
Gain on bankruptcy exit |  |  |  | (119,408)
Loss on investment in Front Range, held for sale |  |  |  | 12,146
Loss on extinguishment of debt |  |  |  | 2,159
Bargain purchase of New PE Holdco |  |  |  | (1,566)
Equity earnings on Front Range |  |  |  | 928
Changes in operating assets and liabilities: |  |  |  |
Accounts receivable | 642 | (2,204) | (2,067) | (13,789)
Inventories | 1,482 | (5,280) | 1,128 | (7,462)
Prepaid expenses and other assets | 1,480 | (368) | (933) | (516)
Prepaid inventory | 3,144 | (3,466) | (6,524) | 477
Accounts payable and accrued expenses | 5,492 | 3,920 | (2,358) | (1,968)
Net cash used in operating activities | (11,422) | (7,560) | (3,950) | (36,921)
Investing Activities: |  |  |  |
Purchase of ownership interest in New PEHC | (10,000) |  |  |
Additions to property and equipment | (2,115) | (1,459) | (2,365) | (643)
Investments in New PE Holdco, net of cash acquired |  |  | (9,117) | (19,494)
Proceeds from sale of investment in Front Range |  |  |  | 18,500
Net cash impact of deconsolidation of Front Range |  |  |  | (10,486)
Net cash impact of bankruptcy exit |  |  |  | (1,301)
Net cash used in investing activities | (12,115) | (1,459) | (11,482) | (13,424)
Financing Activities: |  |  |  |
Net proceeds from sales of common stock and warrants | 20,994 |  | 7,364 |
Net proceeds from borrowings | 13,249 | 17,091 | 9,958 | 17,522
Preferred stock dividends paid | (949) |  |  |
Proceeds from convertible notes and warrants |  |  |  | 35,000
Principal payments on convertible notes |  |  | (1,212) |
Payments for debt issuance costs |  |  |  | (2,909)
Proceeds from borrowings under DIP Financing |  |  |  | 5,173
Principal payments paid on related party borrowings |  |  | (500) | (13,250)
Net cash (used in) provided by financing activities | 33,294 | 17,091 | 15,610 | 41,536
Net increase in cash and cash equivalents | 9,757 | 8,072 | 178 | (8,809)
Cash and cash equivalents at beginning of period | 8,914 | 8,736 | 8,736 | 17,545
Cash and cash equivalents at end of period | 18,671 | 16,808 | 8,914 | 8,736
Supplemental Information: |  |  |  |
Interest paid | 7,504 | 8,047 | 11,669 | 9,771
Noncash financing and investing activities: |  |  |  |
Preferred stock dividends paid in common stock | 732 |  |  |
Notes issued for purchase of ownership interest in New PEHC | 10,000 |  |  |
Accrued interest added to term loan | 1,407 |  |  |
Preferred stock dividends accrued |  | 946 | 1,265 | 2,847
Debt extinguished with issuance of common stock |  | 25,388 | 33,788 | 19,000
Reclass of warrant liabilitiy to equity upon cashless net exercise of warrants |  |  | $ 1,157 |

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