Income Taxes - Classification of Net Deferred Tax Assets (Details) - USD ($) |
Jan. 28, 2017 |
Jan. 30, 2016 |
|---|---|---|
| Income Tax Disclosure [Abstract] | ||
| Deferred tax assets | $ 7,926,000 | $ 21,227,000 |
| Other long-term liabilities | (6,765,000) | 0 |
| Net deferred tax asset | $ 1,161,000 | $ 21,227,000 |