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Commitments and Contingencies
12 Months Ended
Jan. 31, 2012
Commitments and Contingencies [Abstract]  
Commitments and Contingencies

12. Commitments and Contingencies

Purchase Obligations—At January 31, 2012, the Company had approximately $4,820,000 in purchase orders outstanding. The purchase orders were issued in the normal course of business, and are expected to be fulfilled within 180 days of January 31, 2012.