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Cash, Cash Equivalents And Marketable Securities (Tables)
 6 Months Ended
Jun. 30, 2013
Cash, Cash Equivalents And Marketable Securities [Abstract]  
Summary Of The Amortized Costs And Fair Values Of Marketable Securities

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(In Thousands)

 

 

MARKETABLE SECURITIES

 

 

Amortized Cost

 

Fair Value

 

Gross Unrealized Gains

 

Gross Unrealized Losses

June 30, 2013

 

 

 

 

 

 

 

 

 

 

 

 

Tax-exempt  Municipal Bonds

 

$
24,277 

 

$
24,328 

 

$
57 

 

$
6 

Variable Rate Demand Notes

 

 
20,728 

 

 
20,728 

 

 

 -

 

 

 -

Total Marketable Securities

 

$
45,005 

 

$
45,056 

 

$
57 

 

$
6 

 

 

 

 

 

 

 

 

 

 

 

 

 

December 31, 2012

 

 

 

 

 

 

 

 

 

 

 

 

Tax-exempt  Municipal Bonds

 

$
24,412 

 

$
24,494 

 

$
94 

 

$
12 

Variable Rate Demand Notes

 

 
31,092 

 

 
31,092 

 

 

 -

 

 

 -

Total Marketable Securities

 

$
55,504 

 

$
55,586 

 

$
94 

 

$
12