Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2013

Stock-Based Compensation

Schedule of amounts recognized in the consolidated financial statements related to stock-based compensation

	Three Months EndedMarch 31,
	2013			2012
Total cost of stock-based compensation	$	132,108		$	123,537
Amount of income tax benefit recognized in earnings	(22,005		)	(32,416		)
Amount charged against net income	$	110,103		$	91,121

Summary of the option activity

	Number of Shares		Weighted Average Exercise Price per Share		WeightedAverage Remaining Contractual Term	Aggregate Intrinsic Value
Outstanding at December 31, 2012	838,662		$	11.84	3.9	$	2,346,063
Options granted	10,000		$	14.16	0.8	$	2,400
Options cancelled/expired	(4,900	)	$	14.11	—
Options exercised	(9,650	)	$	10.64	—
Outstanding at March 31, 2013	834,112		$	11.87	3.7	$	2,307,010
Exercisable at March 31, 2013	635,212		$	11.10	2.9	$	2,221,203

Summary of the status of our unvested option shares

	Number of Shares		WeightedAverage Grant Date Fair Value
Unvested at December 31, 2012	209,925		$	4.04
Options granted	10,000		$	4.45
Options cancelled	(4,900	)	$	3.78
Options vested	(16,125	)	$	4.45
Unvested at March 31, 2013	198,900		$	4.03