Note 14 - Segment and Geographical Information (Details)	6 Months Ended	3 Months Ended	6 Months Ended		3 Months Ended	6 Months Ended		12 Months Ended
	Aug. 02, 2014	Aug. 02, 2014 Benchmark Electronics [Member] Sales Revenue, Net [Member] Customer Concentration Risk [Member]	Aug. 02, 2014 Benchmark Electronics [Member] Sales Revenue, Net [Member] Customer Concentration Risk [Member]	Aug. 02, 2014 Benchmark Electronics [Member] Accounts Receivable [Member] Customer Concentration Risk [Member]	Aug. 03, 2013 Flextronics [Member] Sales Revenue, Net [Member] Customer Concentration Risk [Member]	Aug. 03, 2013 Flextronics [Member] Sales Revenue, Net [Member] Customer Concentration Risk [Member]	Aug. 02, 2014 Nanning Fugui Precision [Member] Accounts Receivable [Member] Customer Concentration Risk [Member]	Feb. 01, 2014 Customer 1 [Member] Accounts Receivable [Member] Customer Concentration Risk [Member]	Feb. 01, 2014 Customer 2 [Member] Accounts Receivable [Member] Customer Concentration Risk [Member]	Feb. 01, 2014 Customer 3 [Member] Accounts Receivable [Member] Customer Concentration Risk [Member]	Feb. 01, 2014 Customer 4 [Member] Accounts Receivable [Member] Customer Concentration Risk [Member]
Note 14 - Segment and Geographical Information (Details) [Line Items]
Number of Reportable Segments	1
Concentration Risk, Percentage		14.00%	13.00%	14.00%	10.00%	12.00%	10.00%	15.00%	12.00%	11.00%	10.00%