Warranty Liability (Tables)

12 Months Ended

Sep. 30, 2015

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, 2015 and 2014 were as follows:

	2015			2014
Balance at beginning of year	$	849,000		$	411,000
Provision for warranties	171,000			207,000
Provision assumed in IQinVision business combination	—			488,000
Expenses incurred	(370,000		)	(257,000		)
Balance at end of year	$	650,000		$	849,000