Supplemental Balance Sheet Disclosures (Tables)

6 Months Ended

Mar. 31, 2023

Supplemental Balance Sheet Disclosures

Schedule of inventories

	March 31,		September 30,
	2023		2022
Raw materials	$	5,108,433	$	4,451,045
Work-in-process		745,587		795,723
Finished goods		45,815		102,336
	$	5,899,835	$	5,349,104

Schedule of prepaid expenses and other current assets

	March 31,		September 30,
	2023		2022
Prepaid insurance	$	829,421	$	777,311
Other		413,922		365,159
	$	1,243,343	$	1,142,470

Schedule of property and equipment, net

	March 31,		September 30,
	2023		2022
Computer equipment	$	2,316,679	$	2,307,139
Corporate airplane		2,406,468		2,406,468
Furniture and office equipment		976,993		976,993
Manufacturing facility		5,889,491		5,889,491
Equipment		5,607,386		5,624,966
Land		1,021,245		1,021,245
		18,218,262		18,226,302
Less: accumulated depreciation and amortization		(12,017,311)		(11,934,113)
	$	6,200,951	$	6,292,189

Schedule of other assets

	March 31,		September 30,
	2023		2022
Intangible assets, net of accumulated amortization of $636,158 at March 31, 2023 and September 30, 2022	$	60,348	$	60,348
Operating lease right-of-use asset		21,790		28,680
Other non-current assets		182,528		75,300
	$	264,666	$	164,328

Schedule of accrued expenses

	March 31,		September 30,
	2023		2022
Warranty	$	587,650	$	607,001
Salary, benefits and payroll taxes		742,570		1,030,628
Professional fees		130,600		364,794
Operating lease		13,287		13,615
Other		388,084		956,237
	$	1,862,191	$	2,972,275

Schedule of warranty cost and accrual information

	Three Months Ending		Six Months Ending
	March 31, 2023		March 31, 2023
Warranty accrual, beginning of period	$	577,690	$	607,001
Accrued expense		34,912		34,376
Warranty cost		(24,952)		(53,727)
Warranty accrual, end of period	$	587,650	$	587,650