Fair Value Measurements (Tables)

3 Months Ended

Dec. 31, 2012

Assets and Liabilities Measured at Fair Value on Recurring Basis

The following table presents information about the Company’s assets and liabilities measured at fair value on a recurring basis as of December 31, 2012 (in thousands):

	Quoted Prices in Active Markets for Identical Instruments (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value as of December  31, 2012
Assets:
Cash equivalents	$	—	$	6,002	$	—	$	6,002
Available-for-sale debt securities:
U.S. government and government agency obligations		—		33,150		—		33,150
Mortgage-backed securities		—		2,743		—		2,743
Municipal bonds		—		3,701		—		3,701
Asset-backed securities		—		549		—		549
Corporate bonds		—		2,439		—		2,439
Other assets		999		—		—		999
Total assets measured at fair value	$	999	$	48,584	$	—	$	49,583

The following table presents information about the Company’s assets and liabilities measured at fair value on a recurring basis as of September 30, 2012 (in thousands):

	Quoted Prices in Active Markets for Identical Instruments (Level 1)		Significant Other Observable Inputs (Level 2)		Significant Unobservable Inputs (Level 3)		Total Fair Value as of September 30, 2012
Assets:
Cash equivalents	$	—	$	5,101	$	—	$	5,101
Available-for-sale debt securities:
U.S. government and government agency obligations		—		28,854		—		28,854
Mortgage-backed securities		—		2,999		—		2,999
Municipal bonds		—		3,213		—		3,213
Asset-backed securities		—		598		—		598
Corporate bonds		—		6,886		—		6,886
Other assets		718		—		—		718
Total assets measured at fair value	$	718	$	47,651	$	—	$	48,369

Reconciliation of Financial Assets Measured at Fair Value on Recurring Basis using Significant Unobservable Inputs

The following tables provide a reconciliation of financial assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) (in thousands). Transfers of instruments into and out of Level 3 are based on beginning of period values.

	Fair Value Measurements Using Significant Unobservable Inputs (Level 3) Three Months Ended December 31, 2011 Available-for-Sale Debt Securities
	Mortgage- Backed  Securities			Asset- Backed  Securities			Total
Balance at September 30, 2011	$	15		$	9		$	24
Transfers into Level 3		—			—			—
Transfers out of Level 3		(15	)		(9	)		(24	)
Total realized and unrealized gains (losses):
Included in other comprehensive (loss) income		—			—			—
Purchases, issuances, sales and settlements, net		—			—			—
Balance at December 31, 2011	$	—		$	—		$	—