Stock Option Plans and Warrants (Tables)

6 Months Ended

Jun. 30, 2011

Stock Option Plans and Warrants

Stock Option and Restricted Stock Units Activity

Total Options	Number of Options			Weighted- Average Exercise Price
Outstanding at January 1, 2011		1,300,400		$	29.06
Granted		82,000		$	23.06
Exercised		(13,063	)	$	5.02
Forfeited		(16,833	)	$	27.75
Outstanding at March 31, 2011		1,352,504		$	28.65
Exercisable at March 31, 2011		1,080,512		$	29.43
Outstanding at April 1, 2011		1,352,504		$	28.65
Granted		79,250		$	11.02
Exercised		(5,062	)	$	1.13
Forfeited		(21,825	)	$	27.37
Outstanding at June 30, 2011		1,404,867		$	27.77
Exercisable at June 30, 2011		1,111,625		$	29.12
Nonvested restricted stock units	Number of Restricted Stock Units			Weighted- Average Grant Date Fair Value
Nonvested at January 1, 2011		79,150		$	35.82
Granted		378		$	25.55
Vested		(20,223	)	$	30.42
Forfeited		(4,329	)	$	16.04
Nonvested at March 31, 2011		54,976		$	37.96
Nonvested at April 1, 2011		54,976		$	37.96
Granted		28,685		$	11.53
Vested		(3,679	)	$	60.59
Forfeited		(364	)	$	32.06
Nonvested at June 30, 2011		79,618		$	27.42

Nonvested restricted stock	Number of Restricted Stock			Weighted- Average Grant Date Fair Value
Nonvested at January 1, 2011		46,001		$	29.84
Granted		40,035		$	22.86
Vested		(1,000	)	$	35.01
Forfeited		(7,501	)	$	29.73
Nonvested at March 31, 2011		77,535		$	26.18
Nonvested at April 1, 2011		77,535		$	26.18
Granted		7,583		$	11.25
Vested		0		$	0.00
Forfeited		0		$	0.00
Nonvested at June 30, 2011		85,118		$	24.85

Schedule of Weighted-Average Assumptions

	Six months ended June 30,
	2011			2010
Fair Value	$	7.60		$	12.57
Dividend Yield		0	%		0	%
Expected Volatility		66.1	%		68.2	%
Weighted Average Volatility		66.1	%		68.2	%
Risk Free Interest Rate		0.3	%		0.3% -0.5	%
Expected Life of Options from Grant		3.2			3.2