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Long-term Debt (Details) - USD ($)
$ in Thousands
Sep. 30, 2015
Sep. 30, 2014
Aug. 31, 2011
Debt Instrument [Line Items]      
Total debt $ 94,920 $ 70,352 $ 750
Less current portion 9,700 12,315  
Total long-term debt 85,220 58,037  
Convertible Notes Payable [Member]      
Debt Instrument [Line Items]      
Total debt 750 750  
Notes Payable One [Member]      
Debt Instrument [Line Items]      
Total debt [1] 2,938 2,193  
Notes Payable Two [Member]      
Debt Instrument [Line Items]      
Total debt [1] 0 2,140  
Notes Payable Three [Member]      
Debt Instrument [Line Items]      
Total debt [1] 169 201  
Notes Payable Four [Member]      
Debt Instrument [Line Items]      
Total debt [1] 218 564  
Notes Payable Five [Member]      
Debt Instrument [Line Items]      
Total debt [2] 0 1,910  
Notes Payable Six [Member]      
Debt Instrument [Line Items]      
Total debt [1] 2,891 3,021  
Notes Payable Seven [Member]      
Debt Instrument [Line Items]      
Total debt [1] 3,482 3,633  
Notes Payable Eight [Member]      
Debt Instrument [Line Items]      
Total debt [1] 2,292 2,605  
Notes Payable Nine [Member]      
Debt Instrument [Line Items]      
Total debt 1,315 1,388  
Notes Payable Ten [Member]      
Debt Instrument [Line Items]      
Total debt [1] 5,698 6,013  
Notes Payable Eleven [Member]      
Debt Instrument [Line Items]      
Total debt [1] 1,328 1,423  
Notes Payable Twelve [Member]      
Debt Instrument [Line Items]      
Total debt 440 457  
Notes Payable Thirteen [Member]      
Debt Instrument [Line Items]      
Total debt [1] 0 492  
Notes Payable Fourteen [Member]      
Debt Instrument [Line Items]      
Total debt [2] 12,607 14,093  
Convertible Debentures One [Member]      
Debt Instrument [Line Items]      
Total debt 1,000 2,647  
Notes Payable Fifteen [Member]      
Debt Instrument [Line Items]      
Total debt [1] 7,601 8,762  
Notes Payable Sixteen [Member]      
Debt Instrument [Line Items]      
Total debt [2] 4,000 4,000  
Convertible Debentures Two [Member]      
Debt Instrument [Line Items]      
Total debt [2] 482 1,328  
Notes Payable Seventeen [Member]      
Debt Instrument [Line Items]      
Total debt [1] 2,043 2,730  
Notes Payable Eighteen [Member]      
Debt Instrument [Line Items]      
Total debt [1] 2,500 2,500  
Notes Payable Ninteen [Member]      
Debt Instrument [Line Items]      
Total debt 3,265 3,501  
Convertible Debentures Three [Member]      
Debt Instrument [Line Items]      
Total debt 2,270 4,001  
Notes Payable Twenty [Member]      
Debt Instrument [Line Items]      
Total debt 4,000 0  
Notes Payable Twenty One [Member]      
Debt Instrument [Line Items]      
Total debt 6,988 0  
Notes Payable Twenty Two [Member]      
Debt Instrument [Line Items]      
Total debt [1] 4,748 0  
Notes Payable Twenty Three [Member]      
Debt Instrument [Line Items]      
Total debt [1] 1,189 0  
Notes Payable Twenty Four [Member]      
Debt Instrument [Line Items]      
Total debt [1] 5,656 0  
Notes Payable Twenty Five [Member]      
Debt Instrument [Line Items]      
Total debt [1] 1,714 0  
Notes Payable Twenty Six [Member]      
Debt Instrument [Line Items]      
Total debt [1] 1,901 0  
Notes Payable Twenty Seven [Member]      
Debt Instrument [Line Items]      
Total debt [1] 11,273 0  
Other notes [Member]      
Debt Instrument [Line Items]      
Total debt $ 162 $ 0  
[1] Collateralized by real estate
[2] Collateralized by stock in subsidiary