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Income Taxes (Details Narrative) - USD ($)
12 Months Ended
May 08, 2020
Mar. 27, 2020
Dec. 14, 2017
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2019
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]            
Deferred Tax Liabilities, Net       $ 17,100,000 $ 14,900,000  
Debt Instrument, Description     the Company paid monthly installments of principal of $250,000, applied to the first note, until the loan-to-value ratio of the Properties, based upon reduced principal balance of the December 2017 Refinancing Loan and the then current value of the Properties, is not greater than 65%. The loan-to-value ratio of the Properties fell below 65% in October 2019, hence, we stopped paying the additional $250,000 monthly.      
Interest Expense, Debt       $ 0 $ 156,000 $ 597,000
Ten PPP Loans [Member]            
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]            
Debt Instrument, Description       All of the notices received forgave 100% of each of the 11 PPP loans totaling the amount of $5.3 million    
PPP Loan [Member]            
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]            
Debt Instrument, Decrease, Forgiveness       $ 124,000    
Interest Expense, Debt       85,000    
Paycheck Protection Program Loan [Member]            
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]            
Interest Expense, Debt $ 85,000          
[custom:DebtInstrumentRemainingUnforgivenFaceAmount-0] $ 41,000     $ 41,000    
Ten Restaurant Subsidiaries [Member]            
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]            
Proceeds from Divestiture of Interest in Subsidiaries and Affiliates   $ 4,200,000        
Ten Restaurant Subsidiaries [Member] | Minimum [Member]            
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]            
Proceeds from Divestiture of Interest in Subsidiaries and Affiliates   271,000        
Ten Restaurant Subsidiaries [Member] | Maximum [Member]            
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]            
Proceeds from Divestiture of Interest in Subsidiaries and Affiliates   579,000        
Shared Services Subsidiary [Member]            
Significant Change in Unrecognized Tax Benefits is Reasonably Possible [Line Items]            
Proceeds from Divestiture of Interest in Subsidiaries and Affiliates   $ 1,100,000