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Note 20 - Financial Instruments
12 Months Ended
Dec. 31, 2012
Financial Instruments Disclosure [Text Block]
20.   FINANCIAL INSTRUMENTS

  Information on the Company’s financial instruments was as follows:

(In Thousands)

   
December 31
 
   
2012
   
2011
 
   
Carrying
   
Fair
   
Carrying
   
Fair
 
   
Amount
   
Value
   
Amount
   
Value
 
Assets
                       
Cash and cash equivalents
  $ 27,898     $ 27,898     $ 32,562     $ 32,562  
Restricted cash
    177       177       169       169  
Short-term investments
    69,427       69,427       93,016       93,016  
Long-term investments in available-for-sale securities
    943       943       791       791  
Restricted assets
    10,000       10,000       -       -  

The carrying amounts of cash and cash equivalents, restricted cash and restricted assets reported in the consolidated balance sheets approximate their estimated fair values.  The fair values of short-term investments and long-term investments in available-for-sale securities are based on quoted market prices.

Long-term investments, except for investments in available-for-sale securities, are in privately-held companies where there is no readily determinable market value and are recorded using the cost method.  Since they entail an unreasonable high cost to obtain verifiable fair values, fair value is not presented.  The Company periodically evaluates these investments for impairment.  If it is determined that an other-than-temporary decline has occurred in the carrying value, an impairment loss is recorded in the period of decline in value.