Supplemental Balance Sheet Disclosures (Tables)

9 Months Ended

Jun. 30, 2019

Supplemental Balance Sheet Disclosures

Schedule of inventories

	June 30,		September 30,
	2019		2018
Raw materials	$	3,252,289	$	2,892,366
Work-in-process		816,081		817,051
Finished goods		376,814		570,691
	$	4,445,184	$	4,280,108

Schedule of prepaid expenses and other current assets

	June 30,		September 30,
	2019		2018
Prepaid insurance	$	249,012	$	258,015
Other		327,830		286,219
	$	576,842	$	544,234

Schedule of property and equipment, net

	June 30,		September 30,
	2019		2018
Land	$	1,021,245	$	1,021,245
Computer equipment		2,285,152		2,268,969
Corporate airplanes		5,601,039		5,601,039
Furniture and office equipment		1,033,779		1,033,779
Manufacturing facility		5,733,313		5,733,313
Equipment		5,629,438		5,580,083
		21,303,966		21,238,428
Less: accumulated depreciation and amortization		(12,762,168)		(12,451,691)
	$	8,541,798	$	8,786,737

Schedule of other assets

	June 30,		September 30,
	2019		2018
Intangible assets, net of accumulated amortization of $546,237 and $531,637 at June 30, 2019 and September 30, 2018, respectively	$	54,000	$	68,600
Other non-current assets		106,157		113,393
	$	160,157	$	181,993

Schedule of accrued expenses

	June 30,		September 30,
	2019		2018
Warranty	$	723,194	$	854,952
Salary, benefits and payroll taxes		336,186		143,183
Professional fees		159,591		203,823
Other		193,608		261,063
	$	1,412,579	$	1,463,021

Schedule of warranty cost and accrual information

	Three Months Ending		Nine Months Ending
	June 30, 2019		June 30, 2019
Warranty accrual, beginning of period	$	745,896	$	854,952
Release of accrual, net		(664)		(64,123)
Warranty cost		(22,038)		(67,635)
Warranty accrual, end of period	$	723,194	$	723,194