Supplemental Balance Sheet Disclosures (Tables)

9 Months Ended

Jun. 30, 2015

Supplemental Balance Sheet Disclosures

Schedule of inventories

	June 30,		September 30,
	2015		2014
Raw materials	$	3,439,836	$	4,389,334
Work-in-process	499,014		905,529
Finished goods	199,855		175,923
	$	4,138,705	$	5,470,786

Schedule of prepaid expenses and other current assets

	June 30,		September 30,
	2015		2014
Prepaid insurance	$	78,435	$	398,090
Other	748,991		352,018
	$	827,426	$	750,108

Schedule of property and equipment, net

	June 30,			September 30,
	2015			2014
Land	$	1,021,245		$	1,021,245
Computer equipment	2,293,144			2,292,548
Corporate airplane	3,128,504			3,128,504
Furniture and office equipment	1,062,789			1,063,254
Manufacturing facility	5,733,312			5,728,437
Equipment	5,166,880			5,047,737
	18,405,874			18,281,725
Less: accumulated depreciation and amortization	(11,180,241		)	(10,814,062		)
	$	7,225,633		$	7,467,663

Schedule of other assets

	June 30,		September 30,
	2015		2014
Intangible assets, net of accumulated amortization of $517,037 and $499,837 at June 30, 2015 and September 30, 2014	$	83,200	$	100,400
Other non-current assets	85,749		10,448
	$	168,949	$	110,848

Schedule of accrued expenses

	June 30,		September 30,
	2015		2014
Warranty	$	823,759	$	777,599
Salary, benefits and payroll taxes	367,799		787,277
Professional fees	263,618		431,612
Income taxes payable	—		185,151
Other, including losses on contracts	843,814		1,895,651
	$	2,298,990	$	4,077,290

Schedule of warranty cost and accrual information

	Three Months Ending			Nine Months Ending
	June 30, 2015			June 30, 2015
Warranty accrual, beginning of period	$	826,136		$	777,599
Accrued expense	38,073			170,517
Warranty cost	(40,450		)	(124,357		)
Warranty accrual, end of period	$	823,759		$	823,759