Annual report pursuant to Section 13 and 15(d)

Note 10 - Sale of Product Lines (Details Textual)

v3.8.0.1
Note 10 - Sale of Product Lines (Details Textual) - USD ($)
 1 Months Ended 2 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Jul. 28, 2016
Jun. 20, 2016
Dec. 15, 2015
Jun. 30, 2016
Aug. 31, 2016
Dec. 30, 2017
Jun. 25, 2016
Mar. 26, 2016
Jun. 25, 2016
Mar. 31, 2018
Mar. 25, 2017
Proceeds from Sales of Business, Affiliate and Productive Assets                   $ 1,225,000
Gain (Loss) on Sale of Business, Affiliated and Productive Assets                   324,000 802,000
Revenues, Total                   9,800,000 16,267,000
Gross Profit, Total                   2,736,000 4,551,000
Gigatronics Division [Member]                      
Revenues, Total                   2,737,000 8,021,000
Switch Product Line [Member]                      
Revenues, Total                   0 2,100,000
Gross Profit, Total                   0 437,000
Power Meters, Amplifiers, and Legacy Signal Generators [Member] | Gigatronics Division [Member] | Operating Segments [Member]                      
Revenues, Total                   $ 0 $ 437,000
Astronics Test Systems Inc [Member] | Switch Product Line [Member]                      
Proceeds from Sales of Business, Affiliate and Productive Assets   $ 850,000         $ 850,000        
Gain (Loss) on Sale of Business, Affiliated and Productive Assets             802,000        
Standard Product Warranty Accrual, Period Increase (Decrease), Total             $ (278,000)        
Sales Commision             3.00%   3.00%    
Sales Commission, Term             4 years        
Cash Paid to Buy Out Future Commission Obligation       $ 170,000     $ 170,000        
Proceeds from sale of Inventory         $ 500,000            
Spanawave [Member]                      
Proceeds from Sales of Business, Affiliate and Productive Assets $ 375,000           375,000 $ 375,000 $ 750,000    
Gain (Loss) on Sale of Business, Affiliated and Productive Assets           $ 324,000          
Proceeds from sale of Inventory       $ 275,000              
Purchase Agreement, Proceeds Not Realized     $ 1,500,000                
Loss Contingency, Estimate of Possible Loss             $ 440,000   $ 440,000    
Return of Payment $ 375,000                    
Sale of Business, Affiliated and Productive Assets, Selling Expense           $ 51,000