Note 5 - Value of Investments In and Notes Receivable From Privately Held Companies (Details) (USD $) In Thousands, unless otherwise specified	Nov. 01, 2014	Feb. 01, 2014
Equity Investments	$ 3,267	$ 3,873
Note Receivable		230
Total equity investments and notes receivable	3,267	4,103
Issuer A [Member]
Equity Investments	2,000	2,000
Note Receivable		230
Issuer B [Member]
Equity Investments	1,000	1,000
Issuer C [Member]
Equity Investments	129	730
Issuer D [Member]
Equity Investments	$ 138	$ 143

The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle).

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- Definition

The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle) and amount due to the Entity from outside sources, including trade accounts receivable, notes and loans receivable, as well as any other types of receivables, net of allowances established for the purpose of reducing such investments and receivables to an amount that approximates their net realizable value.

+ References

+ Details

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- Definition

Fair value portion of an agreement for an unconditional promise by the maker to pay the holder a definite sum of money at a future date.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.3(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 3

-Subparagraph b

-Article 5

+ Details

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