Annual report pursuant to Section 13 and 15(d)

Note 2 - Going Concern and Management's Plan (Details Textual)

v3.7.0.1
Note 2 - Going Concern and Management's Plan (Details Textual)
12 Months Ended
Apr. 28, 2017
USD ($)
Apr. 27, 2017
USD ($)
Mar. 14, 2014
Mar. 13, 2014
USD ($)
Mar. 25, 2017
USD ($)
Mar. 26, 2016
USD ($)
Jul. 30, 2016
USD ($)
Jun. 27, 2015
USD ($)
Mar. 28, 2015
USD ($)
Net Income (Loss) Attributable to Parent         $ (1,546,000) $ (4,104,000)      
Retained Earnings (Accumulated Deficit)         (25,581,000) (24,035,000)      
Working Capital         620,000 1,800,000      
Line of Credit, Current         582,000 $ 800,000      
Line of Credit Facility, Remaining Borrowing Capacity         $ 234,000        
Restructuring and Related Cost, Number of Positions         57 71      
Unbilled Receivables, Not Billable, Amount Expected to be Collected in Remainder of Fiscal Year                 $ 6,500,000
PFG Loan [Member]                  
Debt Instrument, Face Amount       $ 2,000,000          
Debt Instrument, Term     2 years 180 days 3 years          
PFG Loan [Member] | Subsequent Event [Member]                  
Debt Instrument, Face Amount   $ 1,500,000              
Debt Instrument, Term   2 years              
Proceeds from Issuance of Long-term Debt $ 1,500,000 $ 1,500,000              
Gigatronics Division [Member] | Real-Time TEmS [Member]                  
Unbilled Receivables, Not Billable, Amount Expected to be Collected in Next Twelve Months             $ 1,900,000    
Proceeds from Sale and Collection of Receivables         $ 884,000        
Microsource [Member] | YIG Production Order [Member]                  
Unbilled Receivables, Not Billable, Amount Expected to be Collected in Remainder of Fiscal Year               $ 10,000,000