Annual report pursuant to Section 13 and 15(d)

EQUITY AND EARNINGS PER SHARE EQUITY AND EARNINGS PER SHARE - Outstanding Options (Details)

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EQUITY AND EARNINGS PER SHARE EQUITY AND EARNINGS PER SHARE - Outstanding Options (Details)
12 Months Ended
Dec. 31, 2015
$ / shares
shares
Number of Options  
Beginning Balance (in shares) 5,500,599
Granted (in shares) 178,740
Exercised (in shares) (202,446)
Expired (in shares) (55,332)
Forfeited (in shares) 0
Ending Balance (in shares) 5,421,561
Weighted Average Strike Price  
Beginning Balance (in dollars per share) | $ / shares $ 4.26
Granted (in dollars per share) | $ / shares 1.00
Exercised (in dollars per share) | $ / shares 1.00
Expired (in dollars per share) | $ / shares 14.92
Ending Balance (in dollars per share) | $ / shares $ 2.85
Weighted Average Life Remaining  
Exercisable at December 31, 2015, Number of Options (in shares) 4,723,210
Exercisable at December 31, 2015, Weighted Average Strike Price (in shares) | $ / shares $ 2.75
Weighted Average Life Remaining (in years) 6 years 9 months 15 days
Weighted Average Life Remaining (in years) 6 years 6 months 6 days