Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share (Details Textual)

v2.4.0.6
Earnings Per Share (Details Textual) (Stock Option Awards [Member])
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Stock Option Awards [Member]
       
Earnings Per Share (Textual) [Abstract]        
Anti-dilutive shares 123,650 399,112 373,650 149,112