|
Income Taxes (Details) (USD $)
|
3 Months Ended | |
|---|---|---|
|
Apr. 30, 2013
|
Apr. 30, 2012
|
|
| Company's income tax expense relating to continuing operations | ||
| Computed expected income tax expense | $ 3,801,000 | $ 2,402,000 |
| State income taxes, net of federal tax benefit | 332,000 | 276,000 |
| Permanent differences, net | (237,000) | (162,000) |
| Other, net | 24,000 | 1,000 |
| Total | $ 3,920,000 | $ 2,517,000 |