Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2012

Weighted-Average Assumptions of Options and Warrants for All Years

The fair value for these options and warrants for all years was estimated at the date of grant using a Black-Scholes option-pricing model with the following weighted-average assumptions:

Expected Volatility	30 - 50	%
Expected Dividend Yield	0	%
Expected Life (Term)	3 - 7 years
Risk-Free Interest Rate	3.00 - 4.75	%

Summary of Stock Options Activity and Related Information

Summaries of the Company’s stock options, warrants (other than warrants issued related to our 1.875% Convertible Notes and 2.50% Convertible Notes) and performance related options activity, and related information for the Current Quarter are as follows:

Options				Weighted-Average
	Options			Exercise Price
Outstanding at January 1, 2012		1,711,008		$	5.42
Granted		-			-
Canceled		-			-
Exercised		(251,858	)		2.75
Expired/Forfeited		-			-
Outstanding at March 31, 2012		1,459,150		$	5.88
Exercisable at March 31, 2012		1,459,150		$	5.88

Summary of Warrants and Related Information

Warrants

			Weighted-Average
	Warrants		Exercise Price
Outstanding at January 1, 2012		197,250	$	19.39
Granted		-		-
Canceled		-		-
Exercised		-		-
Expired/Forfeited		-		-
Outstanding at March 31, 2012		197,250	$	19.39
Exercisable at March 31, 2012		197,250	$	19.39

Summary of Unvested Restricted Stock

The following tables summarize information about unvested restricted stock transactions:

				Weighted-Average
	Shares			Grant Date Fair Value
Non-vested, January 1, 2012		2,937,255		$	18.61
Granted		37,833			16.39
Vested		(26,954	)		16.92
Forfeited/Canceled		-			-
Non-vested, March 31, 2012		2,948,134		$	18.60