BUSINESS ACTIVITY AND SIGNIFICANT ACCOUNTING POLICIES (Details) - $ / shares shares in Thousands |
3 Months Ended | |
|---|---|---|
Apr. 30, 2018 |
Apr. 30, 2017 |
|
| Denominator | ||
| Basic Weighted-Average Common Shares Outstanding | 21,734 | 21,373 |
| Plus: Incremental Shares From Assumed Exercise of Stock Options | 0 | 0 |
| Diluted Weighted-Average Common Shares Outstanding | 21,734 | 21,373 |
| Earnings (Loss) per Share - Basic, in dollars per share | $ (0.07) | $ (0.27) |
| Earnings (Loss) per Share - Diluted, in dollars per share | $ (0.07) | $ (0.27) |
| Employee Stock Option | ||
| Anti-dilutive securities | ||
| Anti-dilutive securities excluded from the calculation of diluted EPS (in shares) | 58 | 153 |
| Convertible Notes | ||
| Anti-dilutive securities | ||
| Anti-dilutive securities excluded from the calculation of diluted EPS (in shares) | 1,520 | 1,748 |
| Conversion price of shares underlying convertible notes (in dollars per share) | $ 43.17 | |