Note 7 - Earnings Per Share (Details) - Computations of Basic and Diluted Loss Per Common Share (USD $)	3 Months Ended		6 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Numerator for basic and diluted earnings per share:
Net income from continuing operations (in Dollars)	$ 1,559,000	$ 716,000	$ 1,283,000	$ 1,090,000
Preferred stock dividends (in Dollars)	(27,000)	(28,000)	(55,000)	(56,000)
Net income available to common stockholders (in Dollars)	1,158,000	468,000	854,000	1,016,000
Loss from discontinued operations, net of tax (in Dollars)		(220,000)		(18,000)
Loss on sale of discontinued operations, net of tax (in Dollars)	(374,000)		(374,000)
Weighted average shares used in computing basic net income per share: (in Shares)	54,099,998	53,990,589	54,052,138	53,906,012
Assumed conversion of preferred stock (in Shares)	2,095,784	769,630	769,630	769,630
Effect of outstanding stock options (in Shares)	759,960	280,066	700,259	280,066
Weighted average shares used in computing diluted net income per share: (in Shares)	56,955,741	55,040,285	55,522,027	54,955,708
Income from continuing operations per common share	$ 0.03	$ 0.01	$ 0.02	$ 0.02
Loss from discontinued operations per common share	$ (0.01)		$ (0.01)
Earnings per common share attributable to common stockholders – basic	$ 0.02	$ 0.01	$ 0.01	$ 0.02
Income from continuing operations per common share	$ 0.03	$ 0.01	$ 0.02	$ 0.02
Loss from discontinued operations per common share	$ (0.01)		$ (0.01)
Earnings per common share attributable to common stockholders – diluted	$ 0.02	$ 0.01	$ 0.01	$ 0.02
Continuing Operations [Member]
Numerator for basic and diluted earnings per share:
Net income available to common stockholders (in Dollars)	1,532,000	688,000	1,228,000	1,034,000
Loss from discontinued operations, net of tax (in Dollars)		(220,000)		(18,000)
Loss on sale of discontinued operations, net of tax (in Dollars)	$ (374,000)		$ (374,000)