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Summary of Significant Accounting Policies - EPS, Advertising and Leases (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 02, 2019 | Nov. 03, 2018 | Aug. 04, 2018 | May 05, 2018 | Feb. 03, 2018 | Oct. 28, 2017 | Jul. 29, 2017 | Apr. 29, 2017 | Feb. 02, 2019 | Feb. 03, 2018 | Jan. 28, 2017
Advertising |  |  |  |  |  |  |  |  |  |  |
Advertising expense |  |  |  |  |  |  |  |  | $ 1.7 | $ 2.0 | $ 2.5
Operating Leases |  |  |  |  |  |  |  |  |  |  |
Liability for estimated expenses to be incurred upon the termination of entity's operating leases | $ 0.8 |  |  |  | $ 0.8 |  |  |  | $ 0.8 | $ 0.8 |
Reconciliation of average number of common shares outstanding used to calculate basic and diluted earnings per share |  |  |  |  |  |  |  |  |  |  |
Weighted average number of common shares outstanding | 12,447,209 | 12,780,472 | 13,314,470 | 13,578,100 | 13,567,870 | 13,563,295 | 14,381,738 | 14,719,130 | 13,030,063 | 14,058,008 | 14,656,753
Incremental shares from assumed vesting of nonvested restricted stock |  |  |  |  |  |  |  |  | 39,631 | 57,887 | 5,519
Average number of common shares and common stock equivalents outstanding | 12,470,560 | 12,780,472 | 13,351,321 | 13,631,266 | 13,652,330 | 13,614,404 | 14,381,738 | 14,779,930 | 13,069,694 | 14,115,895 | 14,662,272
Stock Options |  |  |  |  |  |  |  |  |  |  |
Securities excluded from calculation of diluted earnings per share (in shares) |  |  |  |  |  |  |  |  | 0 | 0 | 4,000
Restricted Stock |  |  |  |  |  |  |  |  |  |  |
Securities excluded from calculation of diluted earnings per share (in shares) |  |  |  |  |  |  |  |  | 124,000 | 125,000 | 237,000

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- Definition Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 35 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420018&loc=d3e36677-107848 + Details
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