Note 7 - Earnings Per Share (Detail) - Computations of basic and diluted loss per common share: (USD $)	3 Months Ended		6 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012	Dec. 31, 2011
Net income (in Dollars)	$ 496,000	$ 1,039,000	$ 1,072,000	$ 1,441,000
Preferred stock dividends (in Dollars)	(28,000)	(39,000)	(56,000)	(78,000)
Net income available to common stockholders (in Dollars)	$ 468,000	$ 1,000,000	$ 1,016,000	$ 1,363,000
Weighted average shares used in computing basic net income per share:	53,990,589	52,223,307	53,906,012	52,072,435
Assumed conversion of preferred stock	769,630	3,295,406	769,630	3,295,406
Effect of outstanding stock options	280,066	176,036	280,066	195,218
Weighted average shares used in computing diluted net income per share:	55,040,285	55,694,749	54,955,708	55,563,059
Income per common share, basic (in Dollars per share)	$ 0.01	$ 0.02	$ 0.02	$ 0.03
Income per common share, diluted (in Dollars per share)	$ 0.01	$ 0.02	$ 0.02	$ 0.03