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Exhibit 12.1

Statement Regarding the Computation of
Ratio of Earnings to Fixed Charges

			For the Year Ended December 31,											For the Three Months Ended March 31,
			2005		2006		2007		2008			2009		2009		2010
Earnings Before Fixed Charges:
	Income (loss) before income taxes			1,507,245		3,836,346		7,377,687		(2,018,843	)		738,056		393,981		(10,838,786	)
	Add fixed charges			1,008,161		5,714,414		17,207,944		33,680,606			25,159,653		5,801,826		5,780,065
		Income (loss) before fixed charges		2,515,406		9,550,760		24,585,631		31,661,763			25,897,709		6,195,807		(5,058,721	)
Fixed Charges:
	Interest expense, net			550,796		3,751,673		10,744,547		22,383,705			18,613,301		4,696,076		4,584,118
	Estimate of interest expense within rental expense			457,365		1,962,741		6,463,397		11,296,901			6,546,351		1,105,750		1,195,947
		Total fixed charges		1,008,161		5,714,414		17,207,944		33,680,606			25,159,653		5,801,826		5,780,065
Deficiency of earnings available to cover fixed charges				—		—		—		(2,018,843	)		—		—		(10,838,786	)
Ratio of earnings to fixed charges				2.50		1.67		1.43		—			1.03		1.07		—

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Exhibit 12.1