Warranty Liability (Tables)

12 Months Ended

Sep. 30, 2014

Payables and Accruals [Abstract]

Schedule of Product Warranty Liability [Table Text Block]

Changes in the Company's warranty liability (included in accrued expenses) for the fiscal years ended September 30, 2014 and 2013 were as follows:

	2014			2013
Balance at beginning of year	$	411,000		$	438,000
Provision for warranties	207,000			247,000
Provision assumed in IQinVision business combination	488,000			—
Expenses incurred	(257,000		)	(274,000		)
Balance at end of year	$	849,000		$	411,000