Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Related Party Transactions - Related Party Receivables As a Percentage of Net Accounts Receivable (Details)

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Note 8 - Related Party Transactions - Related Party Receivables As a Percentage of Net Accounts Receivable (Details) - Alonim Investments Inc. [Member] - Customer Concentration Risk [Member]
3 Months Ended 9 Months Ended 12 Months Ended
Jan. 01, 2017
Dec. 27, 2015
Jan. 01, 2017
Dec. 27, 2015
Mar. 27, 2016
Sales Revenue, Net [Member]          
Future and affiliates of Alonim 31.00% 33.00% 28.00% 25.00%  
Accounts Receivable [Member]          
Future and affiliates of Alonim     28.00%   17.00%