Stockholders' Equity and Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2014

Summary of Option Activity for Stock Options

The following table sets forth the summary of option activity for the year ended December 31, 2014:

	Shares			Weighted Average Exercise Price		Weighted Average Remaining Contractual Life		Aggregate Intrinsic Value
Outstanding at January 1, 2014		607,500		$	8.88		6.04
Granted		—		$	—		—	$	—
Exercised		(2,500	)	$	7.34			$	70
Expired		(5,000	)	$	37.46
Forfeited		—		$	—
Outstanding at December 31, 2014		600,000		$	8.65		5.08	$	10,574
Exercisable on December 31, 2014		600,000		$	8.65		5.08	$	10,574
Expected to vest at December 31, 2014		—		$	—		—	$	—

Summary of Activity for Restricted Stock Grants

The following table sets forth the summary of activity for restricted stock grants for the year ended December 31, 2014:

	2014					2013					2012
	Shares			Weighted Average Grant Date Fair Value		Shares			Weighted Average Grant Date Fair Value		Shares			Weighted Average Grant Date Fair Value
Nonvested at beginning of year		573,353		$	12.51		458,981		$	10.85		248,804		$	8.43
Granted		138,855		$	29.44		215,800		$	15.77		288,648		$	12.18
Vested		(128,437	)	$	8.80		(97,928	)	$	11.78		(72,471	)	$	7.81
Forfeited		(23,997	)	$	17.44		(3,500	)	$	15.66		(6,000	)	$	10.91
Nonvested at end of year		559,774		$	17.35		573,353		$	12.51		458,981		$	10.85

Market Based Vesting Conditions [Member]

Summary of Option Activity for Stock Options

The following table sets forth the summary of option activity for Company’s stock options with market condition vesting for the year ended December 31, 2014:

	Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Life		Aggregate Intrinsic Value
Outstanding at January 1, 2014		100,000	$	25.95		3.28
Granted		—		—
Forfeited		—
Outstanding at December 31, 2014		100,000	$	25.95		2.28	$	32
Exercisable at December 31, 2014		66,666	$	25.95		2.28	$	21
Expected to vest at December 31, 2014		—	$	—		—	$	—