CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares |
Apr. 30, 2016 |
Jan. 30, 2016 |
|---|---|---|
| Preferred stock, par value | $ 0.01 | $ 0.01 |
| Preferred stock, shares authorized | 5,000,000 | 5,000,000 |
| Preferred stock, shares issued | 0 | 0 |
| Preferred stock, shares outstanding | 0 | 0 |
| Common stock, par value | $ 0.01 | $ 0.01 |
| Common stock, shares authorized | 100,000,000 | 100,000,000 |
| Common stock, shares issued | 15,567,017 | 15,409,310 |
| Common stock, shares outstanding | 15,567,017 | 15,409,310 |