Marketable Securities

3 Months Ended

Sep. 30, 2012

Marketable Securities

4. Marketable Securities

The amortized cost, unrealized (loss) gain and fair value of the Company’s available-for-sale marketable securities at September 30, 2012 and June 30, 2012 were as follows:

	September 30, 2012
	Amortized Cost		Unrealized (Loss) Gain			Fair Value
	(In thousands)
Corporate bonds	$	6,061	$	(1	)	$	6,060
Commercial paper		2,697		1			2,698
Certificates of deposit		500		—			500
Total marketable securities	$	9,258	$	—		$	9,258

	June 30, 2012
	Amortized Cost		Unrealized Loss			Fair Value
	(In thousands)
Corporate bonds	$	5,958	$	(8	)	$	5,950
Commercial paper		3,046		—			3,046
Certificates of deposit		950		—			950
Total marketable securities	$	9,954	$	(8	)	$	9,946

During the three months ended September 30, 2012, approximately $2.8 million of marketable securities were purchased and $3.5 million matured. At September 30, 2012, the marketable securities had maturities ranging between zero and eight months, with a weighted average maturity of 3.2 months.