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, 2012
Mar. 31, 2011
Earnings Per Share [Abstract]    
Common stock equivalents (in shares) 443,764,000 587,254,000