Note 12 - Income Taxes (Detail) (USD $)
12 Months Ended
Oct. 31, 2012
Oct. 31, 2011
Operating Loss Carryforwards $ 18,600,000 $ 19,400,000
Deferred Tax Assets, Valuation Allowance 1,845,000 1,334,000
Undistributed Earnings of Foreign Subsidiaries 41,500,000  
Unrecognized Tax Benefits that Would Impact Effective Tax Rate 400,000 600,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense 100,000 40,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued $ 0 $ 200,000