Short-Term Investments

6 Months Ended

Mar. 31, 2012

Short-Term Investments [Abstract]

Short-Term Investments

2. Short-term Investments

	As of March 31, 2012 (in thousands)
	Amortized Cost		Unrealized Gains		Unrealized Losses		Estimated Fair Value
Short-term investments:
Corporate	$	4,038	$	5	$	—	$	4,043
Government		924		1		—		925
Total	$	4,962	$	6	$	—	$	4,968

Accumulated other comprehensive income reflected on the balance sheet at March 31, 2012 includes unrealized gains (net of tax) of $15,000.