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Long-term Debt (Details) (USD $)
Sep. 30, 2013
Sep. 30, 2012
Feb. 29, 2012
Aug. 31, 2011
Jun. 30, 2010
Debt Instrument [Line Items]          
Total debt $ 78,592,000 $ 63,528,000 $ 2,700,000 $ 750,000 $ 518,192
Less current portion 8,830,000 6,603,000      
Total long-term debt 69,762,000 56,925,000      
Notes payable at 10-11%, mature August 2015 and July 2022 [Member]
          
Debt Instrument [Line Items]          
Total debt 2,381,000 [1] 1,551,000 [1]      
Notes payable at 9.6%, mature December 2014 and January 2015 [Member]
          
Debt Instrument [Line Items]          
Total debt 2,257,000 [1] 2,364,000 [1]      
Note payable at 7%, matures December 2019 [Member]
          
Debt Instrument [Line Items]          
Total debt 232,000 [1] 261,000 [1]      
Note payable at 7.25%, matures May 2016 [Member]
          
Debt Instrument [Line Items]          
Total debt 880,000 [1] 1,169,000 [1]      
Notes payable at 14%, mature September 30, 2020 [Member]
          
Debt Instrument [Line Items]          
Total debt 5,284,000 [2] 7,741,000 [2]      
Note payable at the greater of 2% above prime or 7.5%, matures April 2017 [Member]
          
Debt Instrument [Line Items]          
Total debt 3,142,000 [1] 3,250,000 [1]      
Note payable at the greater of 2% above prime or 7.5%, matures June 2017 [Member]
          
Debt Instrument [Line Items]          
Total debt 3,775,000 [1] 3,901,000 [1]      
Note payable at 8%, matures January 2022 [Member]
          
Debt Instrument [Line Items]          
Total debt 2,893,000 [1] 3,343,000 [1]      
Notes payable at 5.5%, matures January 2023 [Member]
          
Debt Instrument [Line Items]          
Total debt 1,456,000 1,500,000      
Notes payable at 5.5%, mature January 2023 [Member]
          
Debt Instrument [Line Items]          
Total debt 6,310,000 [1] 6,500,000 [1]      
8.15% note payable secured by aircraft, matures February 2017 [Member]
          
Debt Instrument [Line Items]          
Total debt 2,571,000 2,680,000      
Note payable at refinanced at 6.25%, matures July 2018 [Member]
          
Debt Instrument [Line Items]          
Total debt 1,512,000 [1] 1,981,000 [1]      
Notes payable at 9% and 6.3%, mature July 2018 and June 2030, collateralized by aircraft [Member]
          
Debt Instrument [Line Items]          
Total debt 970,000 488,000      
Notes payable at 4.75%-7.25%, mature December 2014 and September 2019 [Member]
          
Debt Instrument [Line Items]          
Total debt 955,000 [1] 1,396,000 [1]      
10% convertible debentures [Member]
          
Debt Instrument [Line Items]          
Total debt 4,991,000 2,653,000      
Note payable at 9.5%, matures August 2024 [Member]
          
Debt Instrument [Line Items]          
Total debt 20,967,000 [2] 22,000,000 [2]      
Notes payable at 9.5%, mature September 2024 [Member]
          
Debt Instrument [Line Items]          
Total debt 9,267,000 [1] 0 [1]      
6% convertible debentures, mature March 2023 [Member]
          
Debt Instrument [Line Items]          
Total debt 1,444,000 [2] 0 [2]      
Note payable at 13%, matures March 2016 [Member]
          
Debt Instrument [Line Items]          
Total debt 1,500,000 [2] 0 [2]      
Notes payable at 5-7%, mature from 2018 to 2028 [Member]
          
Debt Instrument [Line Items]          
Total debt 2,555,000 [1] 0 [1]      
Note payable at 11%, matures June 2018 [Member]
          
Debt Instrument [Line Items]          
Total debt 2,500,000 [1] 0 [1]      
Convertible note payable from a related party at 10%, matures August 1, 2014 [Member]
          
Debt Instrument [Line Items]          
Total debt $ 750,000 $ 750,000      
[1] Collateralized by real estate
[2] Collateralized by stock in subsidiary