Supplemental Balance Sheet Disclosures (Details 2) (USD $)	3 Months Ended		9 Months Ended					12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Sep. 30, 2012	Jun. 30, 2013 Computer equipment	Sep. 30, 2012 Computer equipment	Sep. 30, 2013 Corporate airplane	Jun. 30, 2013 Corporate airplane	Sep. 30, 2012 Corporate airplane	Jun. 30, 2013 Furniture and office equipment	Sep. 30, 2012 Furniture and office equipment	Jun. 30, 2013 Manufacturing facility	Sep. 30, 2012 Manufacturing facility	Jun. 30, 2013 Equipment	Sep. 30, 2012 Equipment	Jun. 30, 2013 Land	Sep. 30, 2012 Land
Property and equipment
Property and equipment, gross	$ 17,677,458		$ 17,677,458		$ 17,255,166	$ 2,153,406	$ 2,090,556		$ 3,128,504	$ 3,082,186	$ 1,062,296	$ 1,076,849	$ 5,631,001	$ 5,605,616	$ 4,681,006	$ 4,378,714	$ 1,021,245	$ 1,021,245
Less: Accumulated depreciation and amortization	(10,242,432)		(10,242,432)		(10,040,788)
Property and equipment, net	7,435,026		7,435,026		7,214,378
Depreciation	113,000	111,000	330,000	362,000				0
Other assets
Intangible assets, net	122,600		122,600		158,600
Accumulated amortization of intangible assets	477,637		477,637		441,637
Impairment charges			0	0
Total intangible amortization expense	$ 7,000	$ 1,000	$ 36,000	$ 48,000