Fair Value Accounting (Tables)

6 Months Ended

Mar. 31, 2013

Fair Value Disclosures [Abstract]

Fair Value Measurements, Recurring and Nonrecurring

The following table lists our financial assets and liabilities that are measured at fair value on a recurring basis:

Fair Value Measurement
(in thousands)	Level 1		Level 2	Level 3
	Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Remaining Inputs	Significant Unobservable Inputs	Total
As of March 31, 2013
Assets:
Cash and cash equivalents	$	5,922	—	—	$	5,922
Restricted cash	330		—	—	330
Liabilities:
Warrant liability	—		700	—	700
As of September 30, 2012
Assets:
Cash and cash equivalents	$	9,047	—	—	$	9,047
Restricted cash	82		—	—	82
Liabilities:
Warrant liability	—		670	—	670