Supplemental Balance Sheet Disclosures (Tables)

9 Months Ended

Jun. 30, 2013

Supplemental Balance Sheet Disclosures

Schedule of inventories

	June 30,		September 30,
	2013		2012
Raw materials	$	2,730,869	$	2,752,833
Work-in-process	1,153,838		555,495
Finished goods	154,171		493,219
	$	4,038,878	$	3,801,547

Schedule of prepaid expenses and other current assets

	June 30,		September 30,
	2013		2012
Revenue recognized not yet invoiced	$	5,188,095	$	1,595,436
Prepaid insurance	157,704		176,340
Other	214,921		259,868
	$	5,560,720	$	2,031,644

Schedule of property and equipment, net

	June 30,			September 30,
	2013			2012
Computer equipment	$	2,153,406		$	2,090,556
Corporate airplane	3,128,504			3,082,186
Furniture and office equipment	1,062,296			1,076,849
Manufacturing facility	5,631,001			5,605,616
Equipment	4,681,006			4,378,714
Land	1,021,245			1,021,245
	17,677,458			17,255,166
Less: Accumulated depreciation and amortization	(10,242,432		)	(10,040,788		)
	$	7,435,026		$	7,214,378

Schedule of other assets

	June 30,		September 30,
	2013		2012
Intangible assets, net of accumulated amortization of $477,637 and $441,637 at June 30, 2013 and September 30, 2012, respectively	$	122,600	$	158,600

Schedule of accrued expenses

	June 30,		September 30,
	2013		2012
Warranty	$	689,173	$	850,499
Salary, benefits and payroll taxes	491,787		531,862
Professional fees	413,711		330,858
Income taxes payable	399,870		132,980
Materials on order	26,583		43,374
Other	1,660,358		834,239
	$	3,681,482	$	2,723,812

Schedule of warranty cost and accrual information

	Three Months Ending			Nine Months Ending
	June 30, 2013			June 30, 2013
Warranty accrual, beginning of period	$	744,722		$	850,499
Accrued expense for the three and nine months ended June 30, 2013	(17,485		)	(42,302		)
Warranty cost for the three and nine months ended June 30, 2013	(38,064		)	(119,024		)
Warranty accrual, end of period	$	689,173		$	689,173