Note 7 - Full Redemption of Series F Preferred STock (Details) (USD $)				1 Months Ended			9 Months Ended
	Sep. 30, 2014	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2014 Series F Preferred Stock [Member]	Mar. 31, 2014 Series F Preferred Stock [Member]	Jun. 29, 2012 Series F Preferred Stock [Member]	Sep. 15, 2011 Series F Preferred Stock [Member]
Note 7 - Full Redemption of Series F Preferred STock (Details) [Line Items]
Stock Redeemed or Called During Period, Shares				14,867	15,000	10,223
Stock Redeemed or Called During Period, Value (in Dollars)				$ 14,823,922
Dividends, Preferred Stock (in Dollars)				373,869
Preferred Stock, Shares Issued	0		29,867				40,090
Proceeds from Sale of Treasury Stock (in Dollars)							$ 40,090,000
Preferred Stock, Shares Outstanding	0	0	29,867