Note 6 - Cash, Cash Equivalents and Marketable Securities Recorded at Fair Value (Details) - Summary of Investments With Unrealized Losses (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
	Mar. 31, 2014	Jun. 30, 2013
Note 6 - Cash, Cash Equivalents and Marketable Securities Recorded at Fair Value (Details) - Summary of Investments With Unrealized Losses [Line Items]
Less Than 12 Months Fair Value	$ 1,800	$ 2,745
Less Than 12 Months Unrealized Loss	(1)	(3)
12 Months or Greater Fair Value	199	2,703
12 Months or Greater Unrealized Loss		(9)
Total Fair Value	1,999	5,448
Total Unrealized Loss	(1)	(12)
Corporate Debt Securities [Member]
Note 6 - Cash, Cash Equivalents and Marketable Securities Recorded at Fair Value (Details) - Summary of Investments With Unrealized Losses [Line Items]
Less Than 12 Months Fair Value	1,800	2,745
Less Than 12 Months Unrealized Loss	(1)	(3)
12 Months or Greater Fair Value	199	2,160
12 Months or Greater Unrealized Loss		(8)
Total Fair Value	1,999	4,905
Total Unrealized Loss	(1)	(11)
US Government Agencies Debt Securities [Member]
Note 6 - Cash, Cash Equivalents and Marketable Securities Recorded at Fair Value (Details) - Summary of Investments With Unrealized Losses [Line Items]
Less Than 12 Months Fair Value		0
Less Than 12 Months Unrealized Loss		0
12 Months or Greater Fair Value		543
12 Months or Greater Unrealized Loss		(1)
Total Fair Value		543
Total Unrealized Loss		$ (1)