Exhibit 12.1

Statement Regarding Computation of Ratio of Earnings to Fixed Charges

		Year ended December 31													Quarter ended March 31
		1999		2000			2001			2002			2003		2003		2004
Income (loss) before income taxes		$	17,028	$	(214	)	$	(24,678	)	$	24,327		$	21,571	$	6,097	$	5,789
Equity in operations of investee			496		431			380			(184	)
Total earnings			17,524		217			(24,298	)		24,143			21,571		6,097		5,789
Fixed charges:
	Interest expense										1,181			2,300		487		616
	Interest portion of rent expense		710		500			300			333			467		155		124
Total fixed charges			710		500			300			1,514			2,767		642		740
Total earnings before fixed charges		$	18,234	$	717		$	(23,998	)	$	25,657		$	24,338	$	6,739	$	6,529
Ratio of earnings to fixed charges			25.7		1.4			N/A			16.9			8.8		10.5		8.8