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Leases (Narrative) (Details)
0 Months Ended 12 Months Ended
Sep. 15, 2009
sqft
Oct. 31, 2012
sqft
Area of office space leased 21,000 34,000
Additional area of office space leased   13,000
Lease expiration date   Nov. 30, 2016
Centric Solutions LLC [Member]
   
Area of office space leased   23,000
Lease term   7 years