Note 2 - Marketable Securities (Details) - Marketable Securities by Security Type (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Note 2 - Marketable Securities (Details) - Marketable Securities by Security Type [Line Items]
Amortized Cost	$ 1,762	$ 11,847
Unrealized Gains	1	16
Unrealized Losses		(12)
Fair Value	1,763	11,851
US Government Agencies Debt Securities [Member]
Note 2 - Marketable Securities (Details) - Marketable Securities by Security Type [Line Items]
Amortized Cost	332
Fair Value	332
US Treasury and Government [Member]
Note 2 - Marketable Securities (Details) - Marketable Securities by Security Type [Line Items]
Amortized Cost		1,047
Unrealized Losses		(1)
Fair Value		1,046
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Note 2 - Marketable Securities (Details) - Marketable Securities by Security Type [Line Items]
Amortized Cost		30
Fair Value		30
Asset-backed Securities [Member]
Note 2 - Marketable Securities (Details) - Marketable Securities by Security Type [Line Items]
Amortized Cost		127
Fair Value		127
Municipal Bonds [Member]
Note 2 - Marketable Securities (Details) - Marketable Securities by Security Type [Line Items]
Amortized Cost	76	5,728
Unrealized Gains		15
Fair Value	76	5,743
Corporate Bond Securities [Member]
Note 2 - Marketable Securities (Details) - Marketable Securities by Security Type [Line Items]
Amortized Cost	1,354	4,915
Unrealized Gains	1	1
Unrealized Losses		(11)
Fair Value	$ 1,355	$ 4,905