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Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
Dec. 24, 2020
Jun. 25, 2020
Dec. 26, 2019
Allowance for doubtful accounts for accounts receivable, current $ 325 $ 391 $ 425
Accumulated depreciation of rental investment property 12,422 12,018 11,615
Current maturities of long-term debt, related party debt 605 585 565
Unamortized debt issuance costs, current 20 25 30
Related party debt, Non-current 8,639 8,947 9,244
Unamortized debt issuance costs, noncurrent $ 10 $ 19 $ 30
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 8,983,588 8,939,890 8,937,236