| Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] |
The computations for basic and diluted net income per common share are as follows: | | | Three months ended July 31, | | Nine months ended July 31, | | | | | 2017 | | 2016 | | 2017 | | 2016 | | | Basic net income per common share: | | | | | | | | | | | | | | | Numerator: Net income applicable to common stock | | $ | 7,652,000 | | $ | 10,573,000 | | $ | 8,810,000 | | $ | 7,568,000 | | | Denominator: Weighted average common shares-basic | | | 14,396,000 | | | 14,178,000 | | | 14,287,000 | | | 14,165,000 | | | Basic net income per common share | | $ | 0.53 | | $ | 0.75 | | $ | 0.62 | | $ | 0.53 | | | | | | | | | | | | | | | | | | Diluted net income per common share: | | | | | | | | | | | Numerator: Net income for diluted EPS | | $ | 7,777,000 | | $ | 10,729,000 | | $ | 8,966,000 | | $ | 8,039,000 | | | | | | | | | | | | | | | | | | Denominator: Weighted average common shares–basic | | | 14,396,000 | | | 14,178,000 | | | 14,287,000 | | | 14,165,000 | | | Effect of dilutive preferred stock | | | 593,000 | | | 888,000 | | | 283,000 | | | 888,000 | | | Weighted average common shares–diluted | | | 14,989,000 | | | 15,066,000 | | | 14,570,000 | | | 15,053,000 | | | Diluted net income per common share | | $ | 0.52 | | $ | 0.71 | | $ | 0.62 | | $ | 0.53 | |
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