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Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
Sep. 27, 2018
Jun. 28, 2018
Sep. 28, 2017
Allowance for doubtful accounts for accounts receivable, current $ 263 $ 270 $ 273
Accumulated depreciation of rental investment property 10,629 10,431 9,837
Current maturities of long-term debt, related party debt 4,350 4,341 482
Unamortized debt issuance costs, current 42 45 53
Related party debt, Non-current 14,416 15,507 10,461
Unamortized debt issuance costs, noncurrent $ 69 $ 79 $ 111
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 8,865,475 8,865,475 8,817,883