Note 7 - Industry Segment Information (Details) - Segement Reporting Information (USD $)	3 Months Ended		12 Months Ended
	Jun. 29, 2013	Jun. 30, 2012	Mar. 30, 2013	Mar. 31, 2012
Segment Reporting Information [Line Items]
Assets	$ 8,306,000	$ 10,208,000	$ 9,360,000
Net Sales	3,037,000	4,058,000
Net Loss	(681,000)	(707,000)	(4,200,000)	(5,900,000)
Gigatronics [Member]
Segment Reporting Information [Line Items]
Assets	5,420,000	6,246,000
Net Sales	1,906,000	2,827,000
Net Loss	(484,000)	(644,000)
Microsource [Member]
Segment Reporting Information [Line Items]
Assets	2,886,000	3,962,000
Net Sales	1,131,000	1,231,000
Net Loss	$ (197,000)	$ (63,000)