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Commitments and Contingencies	12 Months Ended
Commitments and Contingencies	Jan. 31, 2017
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	13. Commitments and Contingencies Purchase Obligations—At January 31, 2017, the Company had approximately $3.5 million 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, 2017. Customs and Performance Guarantees—As of January 31, 2017, the Company had provided customs and performance guarantees totaling approximately $609,000. These were secured by cash deposits totaling approximately $609,000.