Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - Additional Information (Detail)

v2.4.0.8
Commitments and Contingencies - Additional Information (Detail) (JP Morgan [Member], USD $)
3 Months Ended
Apr. 30, 2014
Nov. 28, 2013
JP Morgan [Member]
   
Contingencies And Commitments [Line Items]    
Demand notes payable   $ 20,000,000
Line of Credit expiration date Nov. 27, 2014