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Long-term Debt - Schedule of Long-term Debt (Details) - USD ($)
Sep. 30, 2016
Sep. 30, 2015
Mar. 31, 2013
Aug. 31, 2011
Debt Instrument [Line Items]        
Total debt $ 106,578,000 $ 94,920,000 $ 1,500,000 $ 750,000
Less unamortized debt issuance costs (692,000) (571,000)    
Less current portion (9,950,000) (9,469,000)    
Total long-term debt 95,936,000 84,880,000    
Notes Payable One [Member]        
Debt Instrument [Line Items]        
Total debt [1] 2,662,000 2,938,000    
Notes Payable Two [Member]        
Debt Instrument [Line Items]        
Total debt [1] 133,000 169,000    
Notes Payable Three [Member]        
Debt Instrument [Line Items]        
Total debt [1] 218,000    
Notes Payable Four [Member]        
Debt Instrument [Line Items]        
Total debt [1] 2,891,000    
Notes Payable Five [Member]        
Debt Instrument [Line Items]        
Total debt [1] 3,482,000    
Notes Payable Six [Member]        
Debt Instrument [Line Items]        
Total debt [1] 2,292,000    
Notes Payable Seven [Member]        
Debt Instrument [Line Items]        
Total debt [1] 1,238,000 1,315,000    
Notes Payable Eight [Member]        
Debt Instrument [Line Items]        
Total debt [1] 4,864,000 5,698,000    
Notes Payable Nine [Member]        
Debt Instrument [Line Items]        
Total debt [1] 1,227,000 1,328,000    
Notes Payable Ten [Member]        
Debt Instrument [Line Items]        
Total debt 422,000 440,000    
Convertible Debentures One [Member]        
Debt Instrument [Line Items]        
Total debt 1,000,000    
Notes Payable Eleven [Member]        
Debt Instrument [Line Items]        
Total debt [2] 10,642,000 12,607,000    
Notes Payable Twelve [Member]        
Debt Instrument [Line Items]        
Total debt [1] 7,040,000 7,601,000    
Convertible Debentures Two [Member]        
Debt Instrument [Line Items]        
Total debt [2] 406,000 482,000    
Notes Payable Thirteen [Member]        
Debt Instrument [Line Items]        
Total debt [2] 4,000,000 4,000,000    
Notes Payable Fourteen [Member]        
Debt Instrument [Line Items]        
Total debt [1] 1,867,000 2,043,000    
Notes Payable Fifteen [Member]        
Debt Instrument [Line Items]        
Total debt [1] 1,500,000 2,500,000    
Convertible Notes Payable [Member]        
Debt Instrument [Line Items]        
Total debt 750,000    
Convertible Debentures Three [Member]        
Debt Instrument [Line Items]        
Total debt 452,000 2,270,000    
Notes Payable Sixteen [Member]        
Debt Instrument [Line Items]        
Total debt 3,013,000 3,265,000    
Notes Payable Seventeen [Member]        
Debt Instrument [Line Items]        
Total debt [2] 4,000,000 4,000,000    
Notes Payable Eighteen [Member]        
Debt Instrument [Line Items]        
Total debt 6,201,000 6,988,000    
Notes Payable Ninteen [Member]        
Debt Instrument [Line Items]        
Total debt [1] 4,621,000 4,748,000    
Notes Payable Twenty [Member]        
Debt Instrument [Line Items]        
Total debt [1] 857,000 1,189,000    
Notes Payable Twenty One [Member]        
Debt Instrument [Line Items]        
Total debt [1] 5,493,000 5,656,000    
Notes Payable Twenty Two [Member]        
Debt Instrument [Line Items]        
Total debt [1] 1,386,000 1,714,000    
Notes Payable Twenty Three [Member]        
Debt Instrument [Line Items]        
Total debt [1] 1,842,000 1,901,000    
Notes Payable Twenty Four [Member]        
Debt Instrument [Line Items]        
Total debt [1] 10,962,000 11,273,000    
Notes Payable Twenty Five [Member]        
Debt Instrument [Line Items]        
Total debt [1] 4,430,000    
Notes Payable Twenty Six [Member]        
Debt Instrument [Line Items]        
Total debt [1] 9,882,000    
Notes Payable Twenty Seven [Member]        
Debt Instrument [Line Items]        
Total debt [1] 4,442,000    
Notes Payable Twenty Eight [Member]        
Debt Instrument [Line Items]        
Total debt [1] 2,157,000    
Notes Payable Twenty Nine [Member]        
Debt Instrument [Line Items]        
Total debt [1] 1,894,000    
Notes Payable Thirty [Member]        
Debt Instrument [Line Items]        
Total debt [1] 8,945,000    
Other notes [Member]        
Debt Instrument [Line Items]        
Total debt $ 162,000    
[1] Collateralized by real estate
[2] Collateralized by stock in subsidiary