Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares |
Apr. 30, 2016 |
Oct. 31, 2015 |
|---|---|---|
| Preferred stock, authorized (in shares) | 1,000,000 | 1,000,000 |
| Preferred stock, issued (in shares) | 0 | 0 |
| Preferred stock, outstanding (in shares) | 0 | 0 |
| Preferred stock, no par value (in dollars per share) | $ 0 | $ 0 |
| Common stock, par value (in dollars per share) | $ 0 | $ 0 |
| Common stock, shares authorized (in shares) | 50,000,000 | 50,000,000 |
| Common stock, shares issued (in shares) | 7,119,510 | 7,059,548 |
| Common stock, shares outstanding (in shares) | 7,119,510 | 7,059,548 |