Investments  | 
6 Months Ended | ||
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Jul. 29, 2017  | |||
| Investments Schedule [Abstract] | |||
| Investments | 
 The Company’s short-term investments as of July 29, 2017, January 28, 2017 and July 30, 2016 consist of $180,000, $30,000 and $110,000, 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 July 29, 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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