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Supplemental Balance Sheet Disclosures - Property and Equipment & Other Assets (Details)	3 Months Ended		6 Months Ended
	Mar. 31, 2021 USD ($)	Mar. 31, 2020 USD ($)	Mar. 31, 2021 USD ($) aircraft	Mar. 31, 2020 USD ($)	Sep. 30, 2020 USD ($)
Property and equipment
Property and equipment, gross	$ 21,319,887		$ 21,319,887		$ 21,413,029
Less: accumulated depreciation and amortization	(13,033,882)		(13,033,882)		(13,237,157)
Property and equipment, net	8,286,005		8,286,005		8,175,872
Depreciation and amortization for property and equipment	95,844	$ 97,610	188,895	$ 194,254
Other assets
Intangible assets, net of accumulated amortization of $616,128 and $583,655 at March 31, 2021 and September 30, 2020, respectively	80,378		80,378		112,851
Operating lease right-of-use asset	5,637		5,637		45,126
Other non-current assets	88,456		88,456		91,566
Total other assets	174,471		174,471		249,543
Accumulated amortization of intangible assets	616,128		616,128		583,655
Impairment charges			0	0
Intangible asset amortization expense	12,559	0	32,473	4,800
Prepaid software licenses	13,156		13,156		16,266
Computer equipment
Property and equipment
Property and equipment, gross	2,308,677		2,308,677		2,302,978
Corporate airplanes
Property and equipment
Property and equipment, gross	5,601,039		$ 5,601,039		5,601,039
Number of airplanes depreciated | aircraft			2
Pilatus PC-12
Property and equipment
Number of airplanes depreciated | aircraft			1
Furniture and office equipment
Property and equipment
Property and equipment, gross	970,725		$ 970,725		1,031,099
Manufacturing facility
Property and equipment
Property and equipment, gross	5,864,311		5,864,311		5,733,313
Equipment
Property and equipment
Property and equipment, gross	5,553,890		5,553,890		5,723,355
Land
Property and equipment
Property and equipment, gross	1,021,245		1,021,245		$ 1,021,245
Prepaid software licenses
Other assets
Intangible asset amortization expense	$ 2,392	$ 3,409	$ 3,110	$ 6,100

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