Note 7 - Earnings Per Share (Detail) - Computations of basic and diluted loss per common share: (USD $)	3 Months Ended		9 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2013	Mar. 31, 2012
Net income (in Dollars)	$ 1,775,000	$ 1,639,000	$ 2,847,000	$ 3,080,000
Preferred stock dividends (in Dollars)	(26,000)	(32,000)	(82,000)	(110,000)
Net income available to common stockholders (in Dollars)	$ 1,749,000	$ 1,607,000	$ 2,765,000	$ 2,970,000
Weighted average shares used in computing basic net earnings per share:	53,990,589	52,546,391	53,935,863	52,331,996
Assumed conversion of preferred stock	2,095,784	2,095,784	2,095,784	2,095,784
Effect of outstanding stock options	402,686	68,761	318,285	118,159
Weighted average shares used in computing diluted net earnings per share:	56,489,059	54,710,936	56,349,932	54,545,939
Earnings per share, basic (in Dollars per share)	$ 0.03	$ 0.03	$ 0.05	$ 0.06
Earnings per share, diluted (in Dollars per share)	$ 0.03	$ 0.03	$ 0.05	$ 0.05