Fair Value Measurements (Tables)

6 Months Ended

Mar. 31, 2015

Fair Value Disclosures [Abstract]

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 March 31, 2015:

(Dollars 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 March 31, 2015
Assets:
Cash equivalents	$	—	$	26,487	$	—	$	26,487
Available-for-sale debt securities:
U.S. government and government agency obligations		8,651		868		—		9,519
Mortgage-backed securities		—		5,142		—		5,142
Municipal bonds		—		785		—		785
Asset-backed securities		—		1,946		—		1,946
Corporate bonds		—		1,727		—		1,727
Total assets measured at fair value	$	8,651	$	36,955	$	—	$	45,606

The following table presents information about the Company’s assets and liabilities measured at fair value on a recurring basis as of September 30, 2014:

(Dollars 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, 2014
Assets:
Cash equivalents	$	—	$	40,100	$	—	$	40,100
Available-for-sale equity securities		1,550		—		—		1,550
Available-for-sale debt securities:
U.S. government and government agency obligations		—		7,394		—		7,394
Mortgage-backed securities		—		5,545		—		5,545
Municipal bonds		—		1,175		—		1,175
Asset-backed securities		—		2,369		—		2,369
Corporate bonds		—		1,830		—		1,830
Total assets measured at fair value	$	1,550	$	58,413	$	—	$	59,963