13. Income Taxes (Details) - USD ($)	3 Months Ended	6 Months Ended
Jul. 31, 2016	Aug. 02, 2015	Jul. 31, 2016	Aug. 02, 2015
Income Tax Disclosure [Abstract]
Effective Income Tax Rate Reconciliation, Percent	35.10%	33.40%	35.30%	34.30%
Unrecognized Tax Benefits that Would Impact Effective Tax Rate (in Dollars)	$ 169,000	$ 221,000	$ 169,000	$ 221,000

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32698-109319

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h)(2))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32687-109319

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