Exhibit 12.1

STATEMENT RE COMPUTATION OF EARNINGS TO FIXED CHARGES

	Nine
	Months
	Ended			Year Ended
	September 30,			December 31,
(in thousands)	2009			2008			2007			2006			2005			2004
Ratio of Earnings to Fixed Charges
Earnings:
Income before income taxes	$	3,104		$	56,564		$	47,610		$	28,119		$	11,933		$	491
Add:
Amortization of capitalized interest		35			32			19			13			8			—
Fixed charges, net of capitalized interest		1,667			2,151			2,060			1,857			2,023			2,001
Income before income taxes and fixed charges, net	$	4,805		$	58,747		$	49,689		$	29,988		$	13,964		$	2,492
Fixed Charges:
Total interest expense	$	1,386		$	1,669		$	1,630		$	1,629		$	1,873		$	1,916
Capitalized interest		75			390			186			149			239			0
Interest factor in rents		281			482			430			228			150			85
Total fixed charges	$	1,742		$	2,540		$	2,246		$	2,005		$	2,262		$	2,001
Ratio of earnings to fixed charges		2.8	x		23.1	x		22.1	x		15.0	x		6.2	x		1.2	x