Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2013

Stock-Based Compensation

Schedule of shares granted and weighted-average grant-date fair value

		Weighted-
		Average
	Number	Grant-Date
	of Shares	Fair Value
Stock options	668,600	$	2.09
Non-vested shares	461,210	$	7.73
Performance stock units	183,000	$	7.10