Earnings per Share (Details) - shares	3 Months Ended		9 Months Ended
	Oct. 28, 2017	Oct. 29, 2016	Oct. 28, 2017	Oct. 29, 2016
Reconciliation of average number of common shares outstanding used to calculate basic and diluted earnings per share
Average number of common shares outstanding	13,563,295	14,676,990	14,221,388	14,648,961
Incremental shares from assumed vesting of nonvested restricted stock	51,109		49,030	3,065
Average number of common shares and common stock equivalents outstanding	13,614,404	14,676,990	14,270,418	14,652,026
Stock Options
Antidilutive securities
Shares excluded from the calculation of diluted earnings per share	0	3,000	0	5,000
Restricted Stock
Antidilutive securities
Shares excluded from the calculation of diluted earnings per share	124,000	224,000	137,000	247,000