Exhibit 12.1

Statement re Computation of Ratio of Earnings to Fixed Charges

				Fiscal Year Ended December 31,
(in thousands, except ratios)	2004			2005			2006			2007			2008
				(Restated)
Earnings:
Earnings (loss) from continuing operations Before income taxes	$	(16,643	)	$	(14,394	)	$	(27,674	)	$	(22,889	)	$	(18,858	)
Add:
Fixed Charges	$	211		$	801		$	2,579		$	2,780		$	3,178
Total earnings (loss)	$	(16,432	)	$	(13,593	)	$	(25,095	)	$	(20,109	)	$	(15,680	)
Fixed Charges:
Interest expense	$	102		$	661		$	2,394		$	2,542		$	2,923
Estimated rent interest expense	$	109		$	140		$	185		$	238		$	255
Total Fixed Charges	$	211		$	801		$	2,579		$	2,780		$	3,178
Ratio of Earnings to Fixed Charges		—			—			—			—			—
Deficiency of Earnings Available to Cover Fixed Charges	$	(16,643	)	$	(14,394	)	$	(27,674	)	$	(22,889	)	$	(18,858	)