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Investment Securities: (Tables)
9 Months Ended
Sep. 30, 2011
Investment Securities [Abstract]  
Available-for-sale Securities [Table Text Block]
The investment securities consist of the following at September 30, 2011 and December 31, 2010:

 
September 30, 2011
 
December 31, 2010
Federal tax-exempt debt securities
$
31,051

 
$
11,687

Corporate bonds
16,023

 

Certificates of deposit
5,079

 
2,820

 
$
52,153

 
$
14,507