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Note 12 - Income Taxes (Details) - Provision for Income Taxes (USD $)
In Thousands, unless otherwise specified
 3 Months Ended 12 Months Ended
Oct. 31, 2013
Jul. 31, 2013
Apr. 30, 2013
Jan. 31, 2013
Oct. 31, 2012
Jul. 31, 2012
Apr. 30, 2012
Jan. 31, 2012
Oct. 31, 2013
Oct. 31, 2012
Oct. 31, 2011
Provision for Income Taxes [Abstract]                      
Federal                 $ (9,878) $ 277 $ (1,577)
State (1)                 518 [1] (35,328) [1] (3,924) [1]
Total current income tax (benefit):                 (9,360) (35,051) (5,501)
Total deferred income tax (benefit):                 0 0 0
Total $ 795 $ 1,922 $ (2,583) $ (9,494) $ 203 $ (36,493) $ 536 $ 703 $ (9,360) $ (35,051) $ (5,501)
[1] The current state income tax expense (benefit) is net of the use of state net operating losses totaling $23.1 million, $3.4 million, and $0.5 million for the years ended October 31, 2013, 2012, and 2011, respectively.