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Exhibit 12.1

Statement Regarding the Computation of Ratio of Combined Fixed Charges and Preference Dividends to Earnings

						Year Ended December 31,
			Nine Months Ended September 30, 2003
						2002			2001			2000			1999			1998
Fixed charges:
	Interest expense		$	359,478		$	332,778		$	326,861		$	219,111		$	129,822		$	162,224
	Estimated interest portion of rent expense			1,727,493			1,537,369			414,752			454,193			240,249			178,779
Total fixed charges			$	2,086,971		$	1,870,147		$	741,613		$	673,304		$	370,071		$	341,003
Earnings:
	Loss from continuing operations before income taxes		$	(17,504,226	)	$	(27,932,494	)	$	(9,239,991	)	$	(8,516,873	)	$	(6,909,217	)	$	(7,480,507	)
	Add: Fixed charges			2,086,971			1,870,147			741,613			673,304			370,071			341,003
		Amortization of capitalized interest		9,099			11,827			8,421			1,882			—			—
Total earnings			$	(15,408,156	)	$	(26,050,520	)	$	(8,489,957	)	$	(7,841,687	)	$	(6,539,146	)	$	(7,139,504	)
Ratio of combined fixed charges and preference dividends to earnings(1)				—			—			—			—			—			—

(1)

For the years ended December 31, 2002, 2001, 2000, 1999 and 1998 and the nine months ended September 30, 2003, the earnings were insufficient to cover fixed charges by $27,932,494, $9,239,991, $8,516,873, $6,909,217, $7,480,507 and $17,504,226, respectively.

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Exhibit 12.1