Quarterly report pursuant to sections 13 or 15(d)

Per Share Data - Additional Information (Details)

v2.4.0.8
Per Share Data - Additional Information (Details)
9 Months Ended 12 Months Ended
Sep. 30, 2013
Option and Warrant
Sep. 30, 2012
Option and Warrant
Dec. 31, 2012
Restricted stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive securities excluded from computation of earnings per share, amount 57,007,593 54,895,978 180,000