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Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($)
$ in Thousands
Sep. 28, 2017
Jun. 29, 2017
Sep. 29, 2016
Allowance for doubtful accounts for accounts receivable, current $ 273 $ 263 $ 418
Accumulated depreciation of rental investment property 9,837 9,639 9,045
Intangible assets, net of accumulated amortization 18,690 18,690 17,700
Current maturities of long-term debt, related party debt 482 474 449
Unamortized debt issuance costs, current 53 55 63
Accounts payable, related party payables 0 178 233
Related party debt, Non-current 10,461 10,584 10,943
Unamortized debt issuance costs, noncurrent $ 111 $ 124 $ 164
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 8,817,883 8,801,641 8,732,593