Note M - Shareholders' Equity (Details Textual) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	Sep. 25, 2018	Sep. 28, 2018	Sep. 29, 2017
Stock Issued During Period, Shares, New Issues	1,533,300
Share Price	$ 22.50
Payments of Stock Underwriting Costs		$ 2,070
Payments of Stock Offering Expenses		220
Proceeds from Issuance of Common Stock	$ 32,310	$ 32,210
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased		315,000
Treasury Stock, Shares, Acquired		0	0