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Note 6 - Long-term Debt and Note Payable to Bank - Long-term Debt (Details) (Parentheticals) (USD $)
|
3 Months Ended | 12 Months Ended |
|---|---|---|
|
Jan. 31, 2015
|
Oct. 31, 2014
|
|
| North Carolina Real Estate Loan [Member] | ||
| Original principal | $ 2,240,000 | $ 2,240,000 |
| Monthly installments | 12,553 | 12,553 |
| Interest rate | 4.25% | 4.25% |
| Final payment | 1,674,217 | 1,674,217 |
| Maturity date | Apr. 30, 2018 | Apr. 30, 2018 |
| Virginia Real Estate Loan [Member] | ||
| Original principal | 6,500,000 | 6,500,000 |
| Monthly installments | 36,426 | 36,426 |
| Interest rate | 4.25% | 4.25% |
| Final payment | $ 4,858,220 | $ 4,858,220 |
| Maturity date | Apr. 30, 2018 | Apr. 30, 2018 |