Supplemental Balance Sheet Disclosures (Tables)

3 Months Ended

Dec. 31, 2021

Supplemental Balance Sheet Disclosures

Schedule of inventories

	December 31,		September 30,
	2021		2021
Raw materials	$	3,741,707	$	3,729,692
Work-in-process		678,941		629,814
Finished goods		185,827		185,886
	$	4,606,475	$	4,545,392

Schedule of prepaid expenses and other current assets

	December 31,		September 30,
	2021		2021
Prepaid insurance	$	638,385	$	318,138
Other		243,093		514,938
	$	881,478	$	833,076

Schedule of property and equipment, net

	December 31,		September 30,
	2021		2021
Computer equipment	$	2,294,387	$	2,309,053
Corporate airplanes		5,601,039		5,601,039
Furniture and office equipment		970,725		970,725
Manufacturing facility		5,889,491		5,889,491
Equipment		5,622,877		5,545,529
Land		1,021,245		1,021,245
		21,399,764		21,337,082
Less: accumulated depreciation and amortization		(13,268,315)		(13,193,599)
	$	8,131,449	$	8,143,483

Schedule of other assets

	December 31,		September 30,
	2021		2021
Intangible assets, net of accumulated amortization of $634,032 at December 31, 2021 and September 30, 2021	$	62,474	$	62,474
Operating lease right-of-use asset		39,336		42,976
Other non-current assets		79,845		82,834
	$	181,655	$	188,284

Schedule of accrued expenses

	December 31,		September 30,
	2021		2021
Warranty	$	596,436	$	589,260
Salary, benefits and payroll taxes		220,705		385,287
Professional fees		208,680		163,130
Operating lease		14,122		14,296
Other		395,585		279,142
	$	1,435,528	$	1,431,115

Schedule of warranty cost and accrual information

	Three Months Ending
	December 31, 2021
Warranty accrual, beginning of period	$	589,260
Accrued expense		32,590
Warranty cost		(25,414)
Warranty accrual, end of period	$	596,436