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Financial Instruments
12 Months Ended
Dec. 31, 2011
Financial Instruments [Abstract]  
Financial Instruments
Note 13 – Financial Instruments

We have determined the estimated fair value amounts of financial instruments using available market information and other appropriate valuation methodologies. However, considerable judgment is required in interpreting market data to develop the estimates of fair value.  A fair value hierarchy accounting standard exists for those instruments measured at fair value that distinguishes between assumptions based on market data (observable inputs) and our own assumptions (unobservable inputs).  Determining which category an asset or liability falls within the hierarchy requires significant judgment.  We evaluate our hierarchy disclosures each quarter.

The hierarchy consists of three levels:

Level 1
Quoted market prices in active markets for identical assets or liabilities;
 
Level 2
Inputs other than Level 1 inputs that are either directly or indirectly observable; and
 
Level 3
Unobservable inputs developed using estimates and assumptions developed by us, which reflect those that a market participant would use.

The carrying amounts of cash and cash equivalents, trade receivables, and accounts payable approximate fair value because of the relatively short maturity of these instruments.  The fair value of debt at December 31, 2011 and 2010 was $320.5 million and $335.6 million, respectively.  The carrying amounts and related estimated fair values for our remaining financial instruments as of December 31, 2011 and 2010 are as follows:

      
Fair Value
As of December 31, 2011
 
Carrying Amount
  
Level 1
 
Level 2
 
Level 3
Liabilities
          
Postpetition common stock warrants
 $-  $-     

      
Fair Value
As of December 31, 2010
 
Carrying Amount
  
Level 1
 
Level 2
 
Level 3
Liabilities
          
Postpetition common stock warrants
 $3,971  $3,971     

At December 31, 2010, our warrants were included as a component of other non current liabilities, respectively.

Fair values relating to derivative financial instruments reflect the estimated amounts that we would receive or pay to terminate the contracts at the reporting date based on quoted market prices of comparable contracts as of the balance sheet date.

The following table summarizes changes in fair value of our Level 3 assets and (liabilities) for the periods ended January 1, 2010 to February 26, 2010 and February 26, 2010 to December 31, 2010. There were no Level 3 assets or liabilities for the period ending December 31, 2011:
 
   
Marketable Securities
  
Prepetition Common Stock Warrants
  
Postpetition Common Stock Warrants
  
Conversion Option within our Convertible Notes
 
Balance at January 1, 2010
 $-  $(76)  -   - 
Net settlements
  -   76   -   - 
Issuance of securities
  -   -  $6,618  $170,989 
Balance at February 26, 2010
 $-  $-  $6,618  $170,989 
Transfer out of level 3 hierarchy
  -   -   (6,618 )  - 
Gain
  -   -   -   (75,574 )
Net settlements upon conversion
  -   -   -   (95,415 )
Balance at December 31, 2010
 $-  $-  $-  $-