Product segment and geographic information (Details 1)	3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Sales Revenue Percentage	100.00%	100.00%
Americas Segment [Member]
Sales Revenue Percentage	59.00%	58.00%
Europe Segment [Member]
Sales Revenue Percentage	37.00%	38.00%
Asia Segment [Member]
Sales Revenue Percentage	4.00%	4.00%