Quarterly report pursuant to Section 13 or 15(d)

Earnings Per Share (Details Textual)

v2.4.0.6
Earnings Per Share (Details Textual)
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Stockholders' Equity and Earnings Per Share (Textual) [Abstract]    
Option to purchase shares, anti-dilutive 1,018,900 1,023,900