Segment Reporting (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Aug. 03, 2013	Jul. 28, 2012	Aug. 03, 2013	Jul. 28, 2012
Segment Reporting
Revenue	$ 7,495	$ 6,306	$ 15,548	$ 13,821
North America (U.S., Canada and Mexico)
Segment Reporting
Revenue	5,580	4,167	12,034	10,432
United Kingdom
Segment Reporting
Revenue	230	168	405	265
Rest of Europe
Segment Reporting
Revenue	135	145	210	333
South Africa and Other
Segment Reporting
Revenue	$ 1,550	$ 1,826	$ 2,899	$ 2,791

Revenue earned during the period from the leasing or otherwise lending to a third party the entity's rights or title to certain property. Royalty revenue is derived from a percentage or stated amount of sales proceeds or revenue generated by the third party using the entity's property. Examples of property from which royalties may be derived include patents and oil and mineral rights.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1(e))

-URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

Name:	us-gaap_RoyaltyRevenue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration