Other Current Assets (Details) (USD $)
In Thousands, unless otherwise specified
Apr. 30, 2013
Oct. 31, 2012
Other Current Assets [Abstract]    
Advance payments to vendors $ 3,858 [1] $ 2,261 [1]
Notes receivable 320 [2] 475 [2]
Prepaid expenses and other 3,650 [3] 1,991 [3]
Total $ 7,828 $ 4,727
[1] Advance payments to vendors relate to inventory purchases.
[2] Current portion of long-term notes receivable.
[3] Primarily relates to other prepaid vendor expenses including insurance, rent and lease payments.