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)
6 Months Ended 12 Months Ended
Jun. 30, 2013
Option and Warrant [Member]
Jun. 30, 2012
Option and Warrant [Member]
Dec. 31, 2012
Restricted Stock [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]      
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 57,026,614 54,533,400 192,500