Note 7 - Partial Redemption of Series F Preferred Stock (Details) (USD $)	1 Months Ended	3 Months Ended	9 Months Ended	12 Months Ended	22 Months Ended
	Jun. 29, 2012	Mar. 31, 2014	Sep. 15, 2011	Dec. 31, 2013	Mar. 31, 2014
Note 7 - Partial Redemption of Series F Preferred Stock (Details) [Line Items]
Preferred Stock, Shares Issued		14,867		29,867	14,867
Redemption Percentage if Less Than 25% of Originally Issued Shares [Member] | Series F Preferred Stock [Member]
Note 7 - Partial Redemption of Series F Preferred Stock (Details) [Line Items]
Stock Redemption Percent of Outstanding Shares		100.00%
Series F Preferred Stock [Member]
Note 7 - Partial Redemption of Series F Preferred Stock (Details) [Line Items]
Stock Redeemed or Called During Period, Shares	10,223	15,000			25,223
Stock Redeemed or Called During Period, Value (in Dollars)		$ 15,000,000
Dividends, Preferred Stock (in Dollars)		337,500
Preferred Stock, Shares Issued			40,090
Proceeds from Sale of Treasury Stock (in Dollars)			$ 40,090,000
Unredeemed Stock		14,867			14,867
Preferred Stock, Dividend Rate, Percentage		9.00%		5.00%
Stock Redemption Percent of Originally Issued Shares		25.00%