Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.

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Amount of other miscellaneous assets expected to be realized or consumed after one year or normal operating cycle, if longer.

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Aggregate carrying amount, as of the balance sheet date, of noncurrent assets not separately disclosed in the balance sheet. Noncurrent assets are expected to be realized or consumed after one year (or the normal operating cycle, if longer).

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Supplemental Balance Sheet Disclosures - Property and Equipment (Details) - USD ($)	3 Months Ended		6 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015	Sep. 30, 2015
Property and equipment
Total	$ 18,437,729		$ 18,437,729		$ 18,375,537
Less: Accumulated depreciation and amortization	(11,494,315)		(11,494,315)		(11,280,207)
Property and equipment, net	6,943,414		6,943,414		7,095,330
Depreciation	113,000	$ 140,000	227,000	$ 275,000
Other assets:
Intangible assets, net of accumulated amortization of $517,037 at March 31, 2016 and September 30, 2015	78,400		78,400		83,200
Other non-current assets	85,748		85,748		85,748
Total other assets	164,148		164,148		168,948
Accumulated amortization of intangible assets	521,837		521,837		517,037
Impairment charges			0	0
Total intangible amortization expense	4,800	$ 8,000	4,800	12,000
Land
Property and equipment
Total	1,021,245		1,021,245		1,021,245
Computer equipment
Property and equipment
Total	2,265,689		2,265,689		2,270,799
Corporate airplane
Property and equipment
Total	3,194,571		3,194,571		3,128,504
Depreciation			0	$ 0
Furniture and office equipment
Property and equipment
Total	1,052,284		1,052,284		1,056,486
Manufacturing facility
Property and equipment
Total	5,733,313		5,733,313		5,733,313
Equipment
Property and equipment
Total	$ 5,170,627		$ 5,170,627		$ 5,165,190