Income Taxes Income Taxes (Tables)

12 Months Ended

Sep. 30, 2016

Income Taxes [Abstract]

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

Unrecognized tax benefits activity for the years ended September 30, 2016 and 2015 is summarized below:

	2016		2015
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:                                                             

	2016					2015
	Amount			Percent		Amount			Percent
U.S. statutory tax	$	(4,343,000	)	(34.0	)%	$	(1,774,000	)	(34.0	)%
Increase in valuation allowance	2,318,000			18.1		1,420,000			27.2
Goodwill writedown	2,046,000			16.0		—			—
Foreign tax rate differences	—			—		281,000			5.4
Permanent differences	45,000			0.4		53,000			1.0
State tax, net of federal benefit	(119,000		)	(0.9	)	(105,000		)	(2.0	)
Other, net	53,000			0.4		125,000			2.4
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, 2016 and 2015 are presented below:

	2016			2015
Deferred tax assets:
Inventories	$	1,558,000		$	1,627,000
Accrued compensation	528,000			753,000
Warranty accrual	244,000			244,000
Depreciation	98,000			115,000
Allowance for doubtful accounts receivable	337,000			342,000
Unearned revenue	205,000			346,000
U.S. net operating loss carryforwards	7,223,000			5,383,000
Foreign net operating loss carryforwards	1,575,000			1,575,000
Tax credits	989,000			989,000
Other	724,000			590,000
Gross deferred tax assets	13,481,000			11,964,000
Deferred tax liabilities:
Intangibles	—			798,000
Other	56,000			59,000
Gross deferred tax liabilities	56,000			857,000
Total deferred tax assets and liabilities	13,425,000			11,107,000
Less valuation allowance	(13,425,000		)	(11,107,000		)
Net deferred tax assets and liabilities	$	—		$	—