Note 8 - Related Party Transactions (Tables)

9 Months Ended

Jan. 01, 2017

Net Accounts Receivable [Member]

Notes Tables

Schedule of Related Party Transactions [Table Text Block]

	Three Months Ended				Nine Months Ended
	January 1,		December 27,		January 1,		December 27,
	2017		2015		2017		2015
Future and affiliates of Alonim		31%		33%		28%		25%

	January 1,		March 27,
	2017		2016
Future and affiliates of Alonim		28%		17%