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Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Dec. 28, 2023
Jun. 29, 2023
Dec. 29, 2022
Allowance for doubtful accounts for accounts receivable, current $ 370 $ 283 $ 318
Accumulated depreciation of rental investment property 14,843 14,439 14,036
Due to related party, current 704 672 642
Due to Related Party, Noncurrent $ 6,742 $ 7,102 $ 7,446
Common shares, Treasury stock 117,900 117,900 117,900
Class A Common Stock [Member]      
Common stock, par value $ 0.01 $ 0.01 $ 0.01
Common stock, shares authorized 10,000,000 10,000,000 10,000,000
Common stock, shares issued 2,597,426 2,597,426 2,597,426
Common stock, shares outstanding 2,597,426 2,597,426 2,597,426
Common Stock, Non-Cumulative Voting Rights of One Vote Per Share [Member]      
Common stock, par value $ 0.01 $ 0.01 $ 0.01
Common stock, shares authorized 17,000,000 17,000,000 17,000,000
Common stock, shares issued 9,120,560 9,076,326 9,072,068