Note 6 - Cash, Cash Equivalents and Marketable Securities (Tables)

6 Months Ended

Dec. 31, 2012

Available-for-sale Securities [Table Text Block]

	December 31, 2012
	Adjusted Cost		Unrealized Gains		Unrealized Losses			Fair Value		Cash & Cash Equivalents		Short-term Marketable Securities		Long-term Marketable Securities
Level 1:
Cash		517		-		-			517		517		-		-
Money Market Funds		5,965		-		-			5,965		5,965		-		-
U.S. Treasury Securities		2,013		-		-			2,013		-		2,013		-
Subtotal	$	8,495	$	-	$	-		$	8,495	$	6,482	$	2,013	$	-
Level 2:
U.S. Agency Securities		-		-		-			-		-		-		-
Corporate securities		2,957		5		(1	)		2,961		-		2,147		814
Municipal securities		4,231		14		-			4,245		-		2,026		2,219
Asset backed securities		822		1		-			823		-		710		113
Mortgage backed securities		1,324		-		(5	)		1,319		-		541		778
Subtotal	$	9,334	$	20	$	(6	)	$	9,348	$	-	$	5,424	$	3,924
Total	$	17,829	$	20	$	(6	)	$	17,843	$	6,482	$	7,437	$	3,924

	June 30, 2012
	Adjusted Cost		Unrealized Gains		Unrealized Losses			Fair Value		Cash & Cash Equivalents		Short-term Marketable Securities		Long-term Marketable Securities
Level 1:
Cash		635		-		-			635		635		-		-
Money Market Funds		6,746		-		-			6,746		6,746		-		-
U.S. Treasury Securities		2,524		-		(1	)		2,523		-		1,508		1,015
Subtotal	$	9,905	$	-		(1	)	$	9,904	$	7,381	$	1,508		1,015
Level 2:											-
U.S. Agency Securities		753		1		-			754		-		754		-
Corporate securities		2,593		5		(1	)		2,597		-		1,696		901
Municipal Securities		3,471		6		-			3,477		-		1,752		1,725
Asset backed securities		1,629		1		-			1,630		-		1,256		374
Mortgage backed securities		2,525		-		(2	)		2,523		-		169		2,354
Subtotal	$	10,971	$	13	$	(3	)	$	10,981	$	-	$	5,627	$	5,354
Total	$	20,876	$	13	$	(4	)	$	20,885	$	7,381	$	7,135	$	6,369

Schedule of Unrealized Loss on Investments [Table Text Block]

	Less Than 12 Months					12 Months or Greater					Total
December 31, 2012	Fair Value		Unrealized Loss			Fair Value		Unrealized Loss			Fair Value		Unrealized Loss
Corporate bonds		2,147		—			814		(1	)		2,961		(1	)
Government Sponsored Enterprise collateralized mortgage obligations		541		(5	)		778		—			1,319		(5	)
Total	$	2,688	$	(5	)	$	1,592	$	(1	)	$	4,280	$	(6	)

	Less Than 12 Months					12 Months or Greater					Total
June 30, 2012	Fair Value		Unrealized Loss			Fair Value		Unrealized Loss			Fair Value		Unrealized Loss
	(In thousands)
US Treasury obligations and direct obligations of U.S. Government agencies		2,262		—			1,015		(1	)		3,277		(1	)
Corporate bonds		1,696		—			901		(1	)		2,597		(1	)
Government Sponsored Enterprise collateralized mortgage obligations		169		(1	)		2,354		(1	)		2,523		(2	)
Total	$	4,127	$	(1	)	$	4,270	$	(3	)	$	8,397	$	(4	)