Exhibit 12.1

Calculation of Ratios of Earnings to Fixed Charges

	Three Months Ended March 31,						Year Ended December 31,
	2004			2003 (Restated)			2003 (Restated)			2002 (Restated)			2001			2000			1999
	(in thousands, except ratios)
RATIO OF EARNINGS TO FIXED CHARGES:
(Loss) income before income taxes, discontinued operations and cumulative effect of accounting change	$	(2,657	)	$	3,149		$	13,438		$	(19,192	)	$	(22,655	)	$	4,561		$	1,364
Fixed charges
Interest expense (a)		7,770			2,371			9,711			15,069			2,294			2,035			2,148
Preferred stock accretion and dividends		10			136			448			2,374			—			—			—
Interest portion of rent expense (b)		426			287			1,439			1,078			257			122			142
Total fixed charges		8,206			2,794			11,598			18,521			2,551			2,157			2,290
Total (loss) earnings	$	5,549		$	5,943		$	25,036		$	(671	)	$	(20,104	)	$	6,718		$	3,654
Ratio of earnings to fixed charges		0.7	x		2.1	x		2.2	x		—			—			3.1	x		1.6	x
Ratio of coverage deficiency		—			—			—			(c	)		(c	)		—			—

(a) Interest expense includes amortization of deferred financing costs.

(b) Includes approximately one-fourth of the rent expense for each period presented which management believes is a reasonable approximation of the interest component of such rentals.

(c) Due to the loss from operations for the years ended December 31, 2002 and 2001, there were insufficient earnings of $19.2 million and $22.7 million, respectively, to cover fixed charges.