CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($) $ in Thousands	Jun. 27, 2021	Jun. 28, 2020
CURRENT ASSETS
Accounts receivable, allowance for bad debts	$ 47	$ 269
SHAREHOLDERS' EQUITY
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	26,000,000	26,000,000
Common stock, shares issued (in shares)	25,090,058	22,550,376
Common stock, shares outstanding (in shares)	18,004,904	15,465,222
Treasury stock at cost (in shares)	7,085,154	7,085,154