Stock Based Compensation (Tables)

6 Months Ended

Jun. 30, 2015

Summary of Restricted Stock Activity and Related Information

A summary of restricted stock activity and related information for the six months ended June 30, 2015 is presented below:

	Shares			Weighted- Average Grant-Date Fair Value
Nonvested at January 1, 2015		147,489		$	99.51
Granted		225,487		$	34.62
Vested		(62,594	)	$	101.23
Forfeited		(25,514	)	$	51.50
Nonvested at June 30, 2015		284,868		$	52.07