Note 9 - Cash Dividends (Details) (USD $)	6 Months Ended		1 Months Ended		1 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Jan. 31, 2014 Subsequent Event [Member]	Dec. 31, 2013 Annual Indicated Dividend [Member]	Dec. 31, 2012 Accelerated Dividend [Member]	Dec. 31, 2012 Additional Cash Dividend [Member]
Note 9 - Cash Dividends (Details) [Line Items]
Payments of Ordinary Dividends, Common Stock (in Dollars)	$ 2,887,000	$ 7,207,000
Common Stock, Dividends, Per Share, Declared			$ 0.06
Annual Indicated Per Share Dividend Rate				$ 0.24
Common Stock, Dividends, Per Share, Cash Paid					$ 0.06	$ 0.12