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Supplemental Balance Sheet Disclosures (Details 2) (USD $)
 3 Months Ended 9 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Sep. 30, 2013
Property and equipment          
Total $ 18,211,909   $ 18,211,909   $ 17,694,990
Less: Accumulated depreciation and amortization (10,681,419)   (10,681,419)   (10,374,495)
Property and equipment, net 7,530,490   7,530,490   7,320,495
Depreciation 140,000 113,000 414,000 330,000  
Other assets:          
Intangible assets, net of accumulated amortization of $495,037 at June 30, 2014 and September 30, 2013 105,200   105,200   105,200
Other non-current assets 10,447   10,447   116,333
Total other assets 115,647   115,647   221,533
Accumulated amortization of intangible assets 495,037   495,037   495,037
Impairment charges     0 0  
Total amortization expense 0 7,000 0 36,000  
Land [Member]
          
Property and equipment          
Total 1,021,245   1,021,245   1,021,245
Computer Equipment [Member]
          
Property and equipment          
Total 2,254,829   2,254,829   2,173,266
Air Transportation Equipment [Member]
          
Property and equipment          
Total 3,128,504   3,128,504   3,128,504
Depreciation     0 0  
Furniture And Fixtures [Member]
          
Property and equipment          
Total 1,063,254   1,063,254   1,062,296
Manufacturing Facility [Member]
          
Property and equipment          
Total 5,719,805   5,719,805   5,631,001
Equipment [Member]
          
Property and equipment          
Total $ 5,024,272   $ 5,024,272   $ 4,678,678