Fair Value Measurements (Tables)

6 Months Ended

Jul. 28, 2012

Fair Value Measurements [Abstract]

Summary of fair value assumptions for derivative liabilities

	July 28, 2012			April 28. 2012
Conversion price	$	1.75		$	1.75
Expected volatility		66	%		65	%
Expected term (in years)		9.3			9.6
Risk free interest rate		1.58	%		1.96	%
Expected dividends	$	—		$	—

Summary of derivative liability activity

The following table presents the activity recorded for the derivative liability during the first half ended:

	July 28, 2012
	(In thousands)
Beginning balance as of January 28, 2012	$	20,076
Gain on change in fair value		(6,333	)
Balance as of April 28, 2012		13,743
Loss on change in fair value		8,219
Ending balance as of July 28, 2012	$	21,962