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Note 5 - Product Warranties (Details Textual) (USD $)
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3 Months Ended | |||
|---|---|---|---|---|
|
Jan. 31, 2015
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Jan. 31, 2014
|
Oct. 31, 2014
|
Oct. 31, 2013
|
|
| Product Warranties Disclosures [Abstract] | ||||
| Product Warranty Accrual | $ 105,000 | $ 160,000 | $ 100,000 | $ 190,000 |
| Product Warranty Expense | 39,079 | 20,539 | ||
| Accounts Payable and Accrued Liabilities [Member] | ||||
| Product Warranties Disclosures [Abstract] | ||||
| Product Warranty Accrual | $ 105,000 | $ 100,000 | ||