Income Taxes (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Sep. 30, 2012
Income Tax Contingency [Line Items]
Provision for income taxes	$ 9	$ 38
Potential cash payments related to cash exposures			200
Tax liability for uncertain tax postions	6	6
Benefit for uncertain tax position		2
Domestic Tax Authority
Income Tax Contingency [Line Items]
Provision for income taxes	6	6
Foreign Tax Authority
Income Tax Contingency [Line Items]
Provision for income taxes	5	13
State and Local Jurisdiction
Income Tax Contingency [Line Items]
Provision for income taxes	$ 2	$ 19