Note 2 - Marketable Securities - Marketable Securities (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2014
US Government Agencies Debt Securities [Member]
Amortized Cost	$ 332
Unrealized Gain
Unrealized Loss
Fair Value	$ 332
Municipal Bonds [Member]
Amortized Cost	$ 76
Unrealized Gain
Unrealized Loss
Fair Value	$ 76
Corporate Bond Securities [Member]
Amortized Cost	1,354
Unrealized Gain	$ 1
Unrealized Loss
Fair Value	$ 1,355
Amortized Cost	1,762
Unrealized Gain	$ 1
Unrealized Loss
Fair Value	$ 1,763