Marketable Securities

9 Months Ended

Mar. 31, 2012

Marketable Securities [Abstract]

Marketable Securities

4. Marketable Securities

The amortized cost, unrealized (loss) gain and fair value of the Company's available-for-sale marketable securities at March 31, 2012 and June 30, 2011 were as follows:

	March 31, 2012
	Amortized Cost		Unrealized (Loss) Gain			Fair Value
	(In thousands)
Corporate bonds	$	5,694	$	(3	)	$	5,691
U.S. Government obligations		750		—			750
Commercial paper		2,697		—			2,697
Certificates of deposit		950		(1	)		949
Total marketable securities	$	10,091	$	(4	)	$	10,087

	June 30, 2011
	Amortized Cost		Unrealized (Loss) Gain			Fair Value
	(In thousands)
Corporate bonds	$	7,326	$	(14	)	$	7,312
U.S. Government obligations		1,204		1			1,205
Commercial Paper		2,699		—			2,699
Total marketable securities	$	11,229	$	(13	)	$	11,216

During the nine months ended March 31, 2012, $12.2 million of marketable securities were purchased and $13.2 million matured or were called by the issuers prior to scheduled maturity. At March 31, 2012, the marketable securities had maturities ranging between one and twelve months, with a weighted average maturity of 5.5 months.