Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Significant Customer and Industry Segment Information (Details)

v2.4.1.9
Note 8 - Significant Customer and Industry Segment Information (Details)
9 Months Ended 3 Months Ended 9 Months Ended
Dec. 27, 2014
Dec. 27, 2014
Dec. 28, 2013
Dec. 28, 2013
Note 8 - Significant Customer and Industry Segment Information (Details) [Line Items]        
Number of Reportable Segments 2us-gaap_NumberOfReportableSegments      
Second Customer [Member] | Gigatronics [Member] | Sales Revenue, Net [Member] | Customer Concentration Risk [Member]        
Note 8 - Significant Customer and Industry Segment Information (Details) [Line Items]        
Concentration Risk, Percentage 19.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= giga_SecondCustomerMember
/ us-gaap_StatementBusinessSegmentsAxis
= giga_GigatronicsMember
     
Second Customer [Member] | Microsource [Member] | Sales Revenue, Net [Member] | Customer Concentration Risk [Member]        
Note 8 - Significant Customer and Industry Segment Information (Details) [Line Items]        
Concentration Risk, Percentage   16.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= giga_SecondCustomerMember
/ us-gaap_StatementBusinessSegmentsAxis
= giga_MicrosourceMember
20.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= giga_SecondCustomerMember
/ us-gaap_StatementBusinessSegmentsAxis
= giga_MicrosourceMember
14.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= giga_SecondCustomerMember
/ us-gaap_StatementBusinessSegmentsAxis
= giga_MicrosourceMember
Third Customer [Member] | Microsource [Member] | Sales Revenue, Net [Member] | Customer Concentration Risk [Member]        
Note 8 - Significant Customer and Industry Segment Information (Details) [Line Items]        
Concentration Risk, Percentage 18.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= giga_ThirdCustomerMember
/ us-gaap_StatementBusinessSegmentsAxis
= giga_MicrosourceMember
15.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= giga_ThirdCustomerMember
/ us-gaap_StatementBusinessSegmentsAxis
= giga_MicrosourceMember
   
Gigatronics [Member] | Sales Revenue, Net [Member] | Customer Concentration Risk [Member]        
Note 8 - Significant Customer and Industry Segment Information (Details) [Line Items]        
Concentration Risk, Percentage   36.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_StatementBusinessSegmentsAxis
= giga_GigatronicsMember
   
Microsource [Member] | Sales Revenue, Net [Member] | Customer Concentration Risk [Member]        
Note 8 - Significant Customer and Industry Segment Information (Details) [Line Items]        
Concentration Risk, Percentage 32.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_StatementBusinessSegmentsAxis
= giga_MicrosourceMember
  41.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_StatementBusinessSegmentsAxis
= giga_MicrosourceMember
43.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_StatementBusinessSegmentsAxis
= giga_MicrosourceMember