Investments

3 Months Ended

Mar. 31, 2013

Investments [Abstract]

Investments

Note 5 - Investments

Investments classified as available-for-sale as of March 31, 2013 and December 31, 2012 were comprised of (in thousands):

			March 31, 2013								December 31, 2012
	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses		Fair Value
Auction rate securities	$	1,175	$	459	$	-	$	1,634	$	1,175	$	409	$	-	$	1,584
Corporate debt securities		34,729		10		-		34,739		31,340		21		-		31,361
Total	$	35,904	$	469	$	-	$	36,373	$	32,515	$	430	$	-	$	32,945