Note 11 - Treasury Stock (Detail) (USD $)	1 Months Ended		9 Months Ended	12 Months Ended		29 Months Ended
	Oct. 31, 2008	Feb. 28, 2008	Oct. 31, 2008	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Stock Repurchase Program, Authorized Amount	$ 3,318,000	$ 4,000,000	$ 7,318,000	$ 3,815,000
Stock Repurchased During Period, Shares (in Shares)						590,000
Stock Repurchased During Period, Value						3,503,000
Shares Paid for Tax Withholding for Share Based Compensation (in Shares)				21,096	18,675
Treasury Stock, Value, Acquired, Cost Method				$ 258,000	$ 195,000