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Stock Based Compensation (Details Textual) (USD $)	3 Months Ended		6 Months Ended
Stock Based Compensation (Details Textual) (USD $)	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Restricted stock [Member]
Stock Based Compensation (Textual) [Abstract]
Stock-Based Compensation expense	$ 25,000	$ 41,000	$ 60,000	$ 108,000
Recognized tax benefits	10,000	16,000	24,000	44,000
Stock Option [Member]
Stock Based Compensation (Textual) [Abstract]
Stock-Based Compensation expense	0	34,000	22,000	129,000
Recognized tax benefits		$ 14,000	$ 9,000	$ 53,000

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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