Annual report pursuant to Section 13 and 15(d)

Stock Options, Common Stock and Warrants - Stock Options by Exercise Price (Details)

v2.4.0.8
Stock Options, Common Stock and Warrants - Stock Options by Exercise Price (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Number Outstanding 5,285,000
Weighted Average Remaining Contractual Term (in years) 4 years 4 months 17 days
Weighted Average Exercise Price $ 10.86
Number Exercisable 115,625
Weighted Average Exercise Price $ 9.49
$14.55 - $16.06
 
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Number Outstanding 1,075,000
Weighted Average Remaining Contractual Term (in years) 4 years 11 months 23 days
Weighted Average Exercise Price $ 15.10
Number Exercisable 0
Weighted Average Exercise Price $ 0.00
Exercise Price Range, Minimum $ 14.55
Exercise Price Range, Maximum $ 16.06
$9.79 - $14.54
 
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Number Outstanding 3,485,000
Weighted Average Remaining Contractual Term (in years) 4 years 2 months 5 days
Weighted Average Exercise Price $ 9.94
Number Exercisable 62,500
Weighted Average Exercise Price $ 10.00
Exercise Price Range, Minimum $ 9.79
Exercise Price Range, Maximum $ 14.54
$8.88 - $9.78
 
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Number Outstanding 725,000
Weighted Average Remaining Contractual Term (in years) 4 years 5 months 9 days
Weighted Average Exercise Price $ 8.97
Number Exercisable 53,125
Weighted Average Exercise Price $ 8.88
Exercise Price Range, Minimum $ 8.88
Exercise Price Range, Maximum $ 9.78