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Repurchase of Common Stock (Details Textual) (USD $)	3 Months Ended
Repurchase of Common Stock (Details Textual) (USD $)	Jun. 30, 2012	Dec. 31, 2008
Stock Repurchase Program, Number of Shares Authorized to be Repurchased		1,000,000
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased	72,000
Repurchase of common stock	9,000
Stock Repurchased During Period Shares Par Value	$ 3.26

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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