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Fair Value Measurements
6 Months Ended
Jun. 30, 2011
Fair Value Measurements [Abstract]  
Fair Value Measurements
Note 3 – Fair Value Measurements

The Company has estimated the fair value amounts of its financial instruments, including cash and cash equivalents, accounts receivable, accounts payable and accrued liabilities using available market information and valuation methodologies considered to be appropriate and has determined that the book value of those instruments at June 30, 2011 approximates fair value.
 
Based on borrowing rates currently available to the Company for debt and capital lease obligations with similar terms, the carrying value of our term debt and capital lease obligations approximates fair value.

Southwall invests its cash primarily in money market funds.  The Company utilizes the market approach to measure fair value of its financial assets.

Cash and cash equivalents are summarized as follows:
 
   
June 30, 2011
 
   
Fair Value
  
Book Value
  
Unrealized
Gain, net
 
Money market funds, Level I
 $8,672  $8,672  $- 
Certificates of deposit
  1,703   1,703   - 
Total cash equivalents
  10,375   10,375   - 
Cash
  3,025   3,025   - 
Total cash and cash equivalents
 $13,400  $13,400  $- 
 
   
December 31, 2010
 
   
Fair Value
  
Book Value
  
Unrealized
Gain, net
 
Money Market Funds, Level I
 $8,990  $8,990  $- 
Certificates of deposit
  2,000   2,000   - 
Total cash equivalents
  10,990   10,990   - 
Cash
  2,786   2,786   - 
Total cash and cash equivalents
 $13,776  $13,776  $- 

The Company's financial assets and liabilities are valued using market prices on active markets (Level 1).  Level 1 instrument valuations are obtained from real-time quotes for transactions in active exchange markets involving identical assets.  As of June 30, 2011, the Company did not have any Level 2 instrument valuations which were obtained from readily available pricing sources for comparable instruments or any Level 3 instruments without observable market values that would require a high level of judgment to determine fair value.