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Commitments and Contingencies - Additional Information (Detail)
 12 Months Ended
Jan. 31, 2016
USD ($)
Commitments and Contingencies Disclosure [Abstract]  
Purchase orders outstanding $ 3,900,000
Purchase orders to be fulfilled 180 days
Customs and performance guarantees $ 612,000
Letter of credit outstanding 844,000
Bank guarantees outstanding $ 118,000