Significant Concentrations (Narrative) (Details)	6 Months Ended
	Mar. 31, 2013
Significant Concentrations 1	12.00%
Significant Concentrations 2	9.00%
Significant Concentrations 3	10.00%
Significant Concentrations 4	8.00%
Significant Concentrations 5	12.00%
Significant Concentrations 6	10.00%
Significant Concentrations 7	10.00%