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Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Dec. 29, 2022
Jun. 30, 2022
Dec. 23, 2021
Allowance for doubtful accounts for accounts receivable, current $ 318 $ 267 $ 358
Accumulated depreciation of rental investment property 14,036 13,632 13,229
Current maturities of long-term debt, related party debt 642 614 586
Related party debt, Non-current $ 7,446 $ 7,774 $ 8,088
Treasury stock, shares 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 9,072,068 9,047,359 9,044,960