Stock Incentive Plans (Tables)

3 Months Ended

Mar. 31, 2013

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, 2012		2,200,604			2,117,110		$	13.32		59,932
Granted		(28,657	)		2,000			6.11		26,657
Exercised		—			(500	)		4.01		—
Cancelled/forfeited		175,688			(175,726	)		18.84		—
At March 31, 2013		2,347,635			1,942,884		$	12.81		86,932

Summary of the non-vested options

	Options			Weighted- average exercise price
Non-vested at January 1, 2013		821,002		$	15.24
Granted		2,000			6.11
Vested		(182,400	)		6.42
Forfeited		(170,587	)		18.82
Non-vested at March 31, 2013		470,015		$	17.32

Analysis of restricted stock issued

Non-vested restricted stock as of December 31, 2012	4,336
Granted	26,657
Vested	(4,336	)
Non-vested restricted stock as of March 31, 2013	26,657