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Fair Value Measurements (Tables)
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3 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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May 04, 2013
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| Fair Value Disclosures [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Summary of Fair Value Assumptions for Derivative Liabilities | The Series B Preferred shares are required to be measured at fair value each reporting period. The fair value of the Series B Preferred shares was estimated using an option pricing model that requires Level 3 inputs, which are highly subjective and determined using the following significant assumptions:
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| Summary of Activity Recorded for Derivatives Using Level 3 Inputs | The following table presents the activity recorded for the derivative liability during the first quarter ended:
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