Investments  | 
12 Months Ended | 
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Jan. 28, 2017  | |
| Investments Schedule [Abstract] | |
| Investments | 
 9. Investments The Company’s short-term investments as of January 28, 2017 and January 30, 2016, consist of $30,000 and $130,000, respectively, in certificates of deposit. These short-term investments are carried at cost, which approximates fair value and are recorded in the Consolidated Balance Sheets in Short-term investments. The contractual maturity of the Company’s investments was less than twelve months at January 28, 2017.  | 
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- Definition The entire disclosure for investments, including all tables. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- References No definition available. 
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