Quarterly report pursuant to Section 13 or 15(d)

Note 12 - Significant Customer and Industry Segment Information (Details Textual)

v3.20.2
Note 12 - Significant Customer and Industry Segment Information (Details Textual)
3 Months Ended
Jun. 27, 2020
Jun. 29, 2019
Number of Reportable Segments 2  
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Microsource [Member]    
Number of Major Customers 1  
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Microsource [Member] | One Customer [Member]    
Concentration Risk, Percentage 54.00%  
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Microsource [Member] | Second Customer [Member]    
Concentration Risk, Percentage   39.00%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Gigatronics Division [Member]    
Number of Major Customers   1
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Gigatronics Division [Member] | One Customer [Member]    
Concentration Risk, Percentage   50.00%
Revenue Benchmark [Member] | Customer Concentration Risk [Member] | Gigatronics Division [Member] | Second Customer [Member]    
Concentration Risk, Percentage 28.00%