Note 11 - Intangible Assets (Details) - Future Amortization Expense Related to Acquired Intangible Assets (USD $) In Thousands, unless otherwise specified	Feb. 01, 2014
Note 11 - Intangible Assets (Details) - Future Amortization Expense Related to Acquired Intangible Assets [Line Items]
2015	$ 8,800
2016	6,574
2017	3,912
2018	636
2019	104
Total	20,026
Purchased IP-Amortizing [Member]
Note 11 - Intangible Assets (Details) - Future Amortization Expense Related to Acquired Intangible Assets [Line Items]
2015	3,135
2016	1,390
2017	41
2018	23
Total	4,589
Developed Technology Rights [Member]
Note 11 - Intangible Assets (Details) - Future Amortization Expense Related to Acquired Intangible Assets [Line Items]
2015	4,282
2016	3,957
2017	2,957
2018	495
Total	11,691
Customer Relationships [Member]
Note 11 - Intangible Assets (Details) - Future Amortization Expense Related to Acquired Intangible Assets [Line Items]
2015	118
2016	118
2017	118
2018	118
2019	104
Total	576
Trademarks [Member]
Note 11 - Intangible Assets (Details) - Future Amortization Expense Related to Acquired Intangible Assets [Line Items]
2015	1,265
2016	1,109
2017	796
Total	$ 3,170