Product Warranties (Tables)

6 Months Ended

Mar. 31, 2015

Product Warranties [Abstract]

Schedule of Product Warranty Liability [Table Text Block]

Changes in the Company's warranty liability (included in accrued expenses) for the three an six month periods ended March 31, 2015 and 2014 were as follows and include the balances and activity of IQinVision, Inc. for periods subsequent to the merger date of August 29, 2014:

	Three Months Ended March 31,						Six Months Ended March 31,
	2015			2014			2015			2014
Balance at beginning of period	$	837,000		$	362,000		$	849,000		$	411,000
Provision for warranties	121,000			53,000			249,000			64,000
Expenses incurred	(122,000		)	(53,000		)	(262,000		)	(113,000		)
Balance at end of period	$	836,000		$	362,000		$	836,000		$	362,000