Earnings Per Common Share (Details Textual) (USD $)	1 Months Ended	12 Months Ended
	Dec. 11, 2012	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Earnings Per Common Share (Textual) [Abstract]
Weighted average shares outstanding excludes anti-dilutive shares underlying options		1.6	1.5	1.7
Number of common shares in the basic and diluted earnings per common share		0.9	1.2	1.2
Nonvested restricted share		0.2	0.2	0.3
Public Offering Common stock shares	6,249,234
Public Offering, Net proceeds	$ 14,700,000	$ 14,682,000
Public Offering By Company	2,500,000
Public Offering by Selling Shareholders	3,749,234
Public Offering, Price per share	$ 6.39
Additional Shares, Overallotment option		687,385
Net Proceeds from Over allotment		$ 4,100,000