Stock Incentive Plans (Tables)

6 Months Ended

Jun. 30, 2012

Stock Incentive Plans [Abstract]

Summary of activity of stock incentive and equity plans

	Shares available for grant			Number of options outstanding			Weighted- average  option exercise price		Number of restricted stock and board shares issued
At December 31, 2011		2,259,999			2,093,108		$	13.45		42,587
Granted		(62,595	)		45,250			9.85		17,345
Exercised		—			(1,385	)		3.99		—
Cancelled/forfeited		15,875			(16,029	)		15.38		—
At June 30, 2012		2,213,279			2,120,944		$	13.35		59,932

Summary of the non-vested options

	Options			Weighted-average exercise price
Non-vested at January 1, 2012		1,313,177		$	15.42
Granted		45,250			9.85
Vested		(389,662	)		14.31
Forfeited		(14,050	)		17.44
Non-vested at June 30, 2012		954,715		$	15.59

Analysis of restricted stock issued

Non-vested restricted stock as of December 31, 2011	1,931
Granted	17,345
Vested	(6,267	)
Non-vested restricted stock as of June 30, 2012	13,009