Annual report pursuant to Section 13 and 15(d)

Note 12 - Significant Customers and Industry Segment Information - Export Sales by Geographic Area (Details)

v3.8.0.1
Note 12 - Significant Customers and Industry Segment Information - Export Sales by Geographic Area (Details) - USD ($)
$ in Thousands
12 Months Ended
Mar. 31, 2018
Mar. 25, 2017
Revenue $ 9,800 $ 16,267
Export Sales [Member]    
Revenue 742 328
Export Sales [Member] | Americas [Member]    
Revenue
Export Sales [Member] | Europe [Member]    
Revenue 40 249
Export Sales [Member] | Asia [Member]    
Revenue 15
Export Sales [Member] | Rest of World [Member]    
Revenue $ 702 $ 64