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Note 3 - Restricted Cash and Cash Equivalents and Restricted Investments Available for Sale
6 Months Ended
Jun. 30, 2011
Restricted Cash And Investments Current Item Description [Text Block]
3. Restricted Cash and Cash Equivalents and Restricted Investments Available for Sale

The Company collateralizes its lines of credit (non-Palladium) with the following (in thousands):

   
June 30,
2011
   
December 31,
2010
 
Restricted cash and cash equivalents                                                                                        
  $ 7,374     $ 7,835  
Restricted investments available for sale:
               
U.S. Treasury Notes                                                                                    
    10,036       15,055  
Corporate Notes and Bonds                                                                                    
    5,172       0  
Accrued interest income                                                                                    
    116       28  
Total restricted investments available for sale                                                                                
    15,324       15,083  
Total restricted cash and cash equivalents and restricted investments available for sale
  $ 22,698     $ 22,918  

The restricted investments are classified as available for sale and are stated at fair value.  At June 30, 2011, gross unrealized holding gains were $36,000 and gross unrealized holding losses were $4,000 and at June 30, 2010, gross unrealized holding gains were $54,000.  Included in comprehensive income was a change in net unrealized losses of $13,000 for the six months ending June 30, 2011 and a change in net unrealized holding gains of $35,000 for the six months ended June 30, 2010.  Included in comprehensive income were changes in net unrealized holding gains of $3,000 and $39,000 for the three months ended June 30, 2011 and 2010, respectively.  The Company capitalizes any premiums paid or discounts received and amortizes the premiums or accretes the discounts on a straight-line basis over the remaining term of the security.  Investments by contractual maturities as of June 30, 2011 were as follows (in thousands):

Within one year
  $ 21,628  
After one year through five years
    1,070  
After five years through ten years
    0  
After ten years
    0  
    $ 22,698