Note G - Accounts and Other Receivables, Net - Changes in Allowance for Doubtful Accounts (Details) - USD ($)	3 Months Ended	12 Months Ended
	Jun. 28, 2015	Mar. 29, 2015
Beginning balance	$ 443,000	$ 433,000
Bad debt expense	16,000	23,000
Accounts written off	(12,000)	(13,000)
Ending balance	$ 447,000	$ 443,000