Note 17 - Segment and Geographic Information - Major Distributors and Customer of Net Revenue (Details) - Sales Revenue, Net [Member] - Customer Concentration Risk [Member]		3 Months Ended		9 Months Ended
		Jan. 01, 2017	Dec. 27, 2015	Jan. 01, 2017	Dec. 27, 2015
Distributor A [Member]
Distributor	[1]	31.00%	33.00%	28.00%	37.00%
Distributor B [Member]
Distributor		13.00%	11.00%	14.00%		[2]
Distributor C [Member]
Distributor		13.00%	10.00%	13.00%	10.00%	[2]
Distributor D [Member]
Distributor		12.00%	11.00%	12.00%	11.00%	[2]

[1] Related Party

[2] Net sales for this distributor or customer for this period were less than 10% of our net sales.