Supplemental Balance Sheet Disclosures (Tables)

3 Months Ended

Dec. 31, 2020

Supplemental Balance Sheet Disclosures

Schedule of inventories

	Decmber 31,		September 30,
	2020		2020
Raw materials	$	3,248,163	$	3,378,246
Work-in-process		663,900		656,382
Finished goods		268,680		256,707
	$	4,180,743	$	4,291,335

Schedule of prepaid expenses and other current assets

	Decmber 31,		September 30,
	2020		2020
Prepaid insurance	$	576,804	$	336,331
Other		274,057		338,778
	$	850,861	$	675,109

Schedule of property and equipment, net

	Decmber 31,		September 30,
	2020		2020
Computer equipment	$	2,308,218	$	2,302,978
Corporate airplanes		5,601,039		5,601,039
Furniture and office equipment		1,019,891		1,031,099
Manufacturing facility		5,733,313		5,733,313
Equipment		5,776,906		5,723,355
Land		1,021,245		1,021,245
		21,460,612		21,413,029
Less: accumulated depreciation and amortization		(13,304,945)		(13,237,157)
	$	8,155,667	$	8,175,872

Schedule of other assets

	Decmber 31,		September 30,
	2020		2020
Intangible assets, net of accumulated amortization of $603,569 and $583,655 at December 31, 2020 and September 30, 2020, respectively	$	92,937	$	112,851
Operating lease right-of-use asset		24,307		45,126
Other non-current assets		90,849		91,566
	$	208,093	$	249,543

Schedule of accrued expenses

	Decmber 31,		September 30,
	2020		2020
Warranty	$	578,172	$	547,743
Salary, benefits and payroll taxes		180,218		483,797
Professional fees		235,661		151,956
Operating lease		24,307		45,126
Other		103,460		133,338
	$	1,121,818	$	1,361,960

Schedule of warranty cost and accrual information

	Three Months Ending
	December 31, 2020
Warranty accrual, beginning of period	$	547,743
Accrued expense		73,866
Warranty cost		(43,437)
Warranty accrual, end of period	$	578,172