Note 14 - Segment and Geographical Information (Details)	3 Months Ended		0 Months Ended	3 Months Ended		0 Months Ended
	May 03, 2014	May 03, 2014 Benchmark Electronics [Member] Customer Concentration Risk [Member] Sales Revenue, Net [Member]	May 03, 2014 Benchmark Electronics [Member] Customer Concentration Risk [Member] Accounts Receivable [Member]	May 04, 2013 Flextronics [Member] Customer Concentration Risk [Member] Sales Revenue, Net [Member]	May 04, 2013 TP Vision [Member] Customer Concentration Risk [Member] Sales Revenue, Net [Member]	May 03, 2014 Nanning Fugui Precision [Member] Customer Concentration Risk [Member] Accounts Receivable [Member]
Note 14 - Segment and Geographical Information (Details) [Line Items]
Number of Reportable Segments	1
Concentration Risk, Percentage		11.00%	19.00%	14.00%	11.00%	13.00%