Note 7 - Stock Based Compensation (Detail) - Summary of the Status of Non-Vested Restricted Common Stock (USD $)	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2007
Nonvested	259,000
Market Condition Shares [Member]
Nonvested	25,000
Nonvested (in Dollars per share)	$ 4.72
Granted	18,750	18,750	6,250
Granted (in Dollars per share)	$ 4.69
Vested	(38,000)
Vested (in Dollars per share)	$ 4.61
Nonvested	6,000	25,000
Nonvested (in Dollars per share)	$ 5.98	4.72
2010 Enhanced Performance Shares [Member]
Nonvested	75,000
Nonvested (in Dollars per share)	$ 9.84
Granted	56,000	56,000	19,000
Granted (in Dollars per share)	$ 12.06
Vested	(56,000)
Vested (in Dollars per share)	$ 9.11
Nonvested	75,000	75,000
Nonvested (in Dollars per share)	$ 12.05	9.84
Director Shares [Member]
Granted	5,495	6,426	9,513
Granted (in Dollars per share)	$ 12.73			$ 10,000
Vested	(6,000)
Vested (in Dollars per share)	$ 12.73