Note 9 - Cash Dividends (Details) (USD $)	3 Months Ended		1 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Oct. 31, 2013 Subsequent Event [Member]	Sep. 30, 2013 Annual Indicated Dividend [Member]
Note 9 - Cash Dividends (Details) [Line Items]
Payments of Ordinary Dividends, Common Stock (in Dollars)	$ 1,443,000	$ 1,441,000
Common Stock, Dividends, Per Share, Declared			$ 0.06
Annual Indicated Per Share Dividend Rate				$ 0.24