Income Taxes Income Taxes (Tables)

12 Months Ended

Sep. 30, 2015

Income Taxes [Abstract]

Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block]

Unrecognized tax benefits activity for the years ended September 30, 2015 and 2014 is summarized below:

	2015		2014
Beginning balance	$	45,000	$	45,000
Additions (reductions) based on tax   positions related to prior years
	—		—
Additions (reductions) based on tax   positions related to the current year
	—		—
Ending balance	$	45,000	$	45,000

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]

A reconciliation of the U.S. statutory tax rate to the Company’s effective tax rate follows:                                                             

	2015					2014
	Amount			Percent		Amount			Percent
U.S. statutory tax	$	(1,774,000	)	(34.0	)%	$	(2,695,000	)	(34.1	)%
Increase in valuation allowance	1,420,000			27.2		2,144,000			27.1
Foreign tax rate differences	281,000			5.4		303,000			3.8
Permanent differences	53,000			1.0		349,000			4.4
State tax, net of federal benefit	(105,000		)	(2.0	)	(141,000		)	(1.8	)
Other, net	125,000			2.4		40,000			0.5
Effective tax rate	$	—		—	%	$	—		—	%

Schedule of Deferred Tax Assets and Liabilities [Table Text Block]

The tax effects of temporary differences that give rise to deferred tax assets and liabilities at September 30, 2015 and 2014 are presented below:

	2015			2014
Deferred tax assets:
Inventories	$	1,627,000		$	1,740,000
Accrued compensation	753,000			763,000
Warranty accrual	244,000			306,000
Depreciation	115,000			145,000
Allowance for doubtful accounts receivable	342,000			471,000
Unearned revenue	346,000			170,000
U.S. net operating loss carryforwards	5,383,000			4,253,000
Foreign net operating loss carryforwards	1,575,000			1,434,000
Tax credits	989,000			989,000
Other	590,000			407,000
Gross deferred tax assets	11,964,000			10,678,000
Deferred tax liabilities:
Intangibles	798,000			958,000
Other	59,000			33,000
Gross deferred tax liabilities	857,000			991,000
Total deferred tax assets and liabilities	11,107,000			9,687,000
Less valuation allowance	(11,107,000		)	(9,687,000		)
Net deferred tax assets and liabilities	$	—		$	—