Note 7 - Stock Based Compensation (Detail) - Table of Information Relating to Stock Options (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Jun. 30, 2012
Options Outstanding, Shares	742
Options Exercisable, Shares	483
Range $0.00 - $4.49 [Member]
Options Outstanding, Shares	10
Options Outstanding, Weighted Average Exercise Price (in Dollars per share)	$ 3.89
Options Outstanding, Weighted Average Remaining Life in Years	1 year 109 days
Options Exercisable, Shares	10
Options Exercisable, Weighted Average Exercise Price (in Dollars per share)	$ 3.89
Range $5.00 - $7.49 [Member]
Options Outstanding, Shares	218
Options Outstanding, Weighted Average Exercise Price (in Dollars per share)	$ 6.53
Options Outstanding, Weighted Average Remaining Life in Years	292 days
Options Exercisable, Shares	184
Options Exercisable, Weighted Average Exercise Price (in Dollars per share)	$ 6.64
Range $7.50 - $8.99 [Member]
Options Outstanding, Shares	103
Options Outstanding, Weighted Average Exercise Price (in Dollars per share)	$ 8.86
Options Outstanding, Weighted Average Remaining Life in Years	2 years 292 days
Options Exercisable, Shares	47
Options Exercisable, Weighted Average Exercise Price (in Dollars per share)	$ 8.85
Range $9.00 - $10.49 [Member]
Options Outstanding, Shares	207
Options Outstanding, Weighted Average Exercise Price (in Dollars per share)	$ 9.55
Options Outstanding, Weighted Average Remaining Life in Years	3 years
Options Exercisable, Shares	120
Options Exercisable, Weighted Average Exercise Price (in Dollars per share)	$ 9.85
Range $10.50 - $11.99 [Member]
Options Outstanding, Shares	20
Options Outstanding, Weighted Average Exercise Price (in Dollars per share)	$ 11.19
Options Outstanding, Weighted Average Remaining Life in Years	4 years
Options Exercisable, Shares	5
Options Exercisable, Weighted Average Exercise Price (in Dollars per share)	$ 11.19
Range $12.00 - $13.49 [Member]
Options Outstanding, Shares	142
Options Outstanding, Weighted Average Exercise Price (in Dollars per share)	$ 12.84
Options Outstanding, Weighted Average Remaining Life in Years	3 years
Options Exercisable, Shares	87
Options Exercisable, Weighted Average Exercise Price (in Dollars per share)	$ 12.56
Range $13.50 - $14.99 [Member]
Options Outstanding, Shares	42
Options Outstanding, Weighted Average Exercise Price (in Dollars per share)	$ 13.97
Options Outstanding, Weighted Average Remaining Life in Years	2 years 6 months
Options Exercisable, Shares	30
Options Exercisable, Weighted Average Exercise Price (in Dollars per share)	$ 13.73