Note 8 - Related Party Transaction (Details) - Related Party Receivables As a Percentage of Net Accounts Receivable (Alonim Investments Inc. [Member], Accounts Receivable [Member], Customer Concentration Risk [Member])	3 Months Ended
	Jun. 29, 2014	Jun. 30, 2013
Alonim Investments Inc. [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]
Related Party Transaction [Line Items]
Alonim	9.00%	18.00%