Note 18 - Capital Transactions (Details) (USD $)	9 Months Ended	12 Months Ended			1 Months Ended		12 Months Ended			1 Months Ended			12 Months Ended		12 Months Ended
	Sep. 23, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Jun. 28, 2013 Private Placement [Member] Series C Preferred Stock [Member]	Jun. 28, 2013 Private Placement [Member]	Dec. 31, 2013 Additional Preferred Stock [Member]	Dec. 31, 2013 Series A Preferred Stock [Member] First Five Years [Member]	Dec. 31, 2013 Series A Preferred Stock [Member] After First Five Years [Member]	Oct. 31, 2012 Series A Preferred Stock [Member]	Sep. 18, 2009 Series A Preferred Stock [Member]	Oct. 31, 2012 Series B Preferred Stock [Member]	Dec. 31, 2013 Series B Preferred Stock [Member]	Sep. 18, 2009 Series B Preferred Stock [Member]	Dec. 31, 2013 Series C Preferred Stock [Member]	Sep. 24, 2013 Series A and B Preferred Stock [Member]
Note 18 - Capital Transactions (Details) [Line Items]
Preferred Stock, Dividend Rate, Percentage		5.00%			6.00%		9.00%	5.00%	9.00%				9.00%
Sale of Stock, Consideration Received on Transaction						$ 14,000,000				$ 10,000,000	$ 10,000,000	$ 374,000
Warrants and Rights Outstanding														374,000
Dividends, Preferred Stock, Paid-in-kind	457,000		1,300,000												389,000
Preferred Stock, Amount of Preferred Dividends in Arrears			534,000	800,000
Sale of Stock, Number of Shares Issued in Transaction (in Shares)					14,000
Sale of Stock, Price Per Share (in Dollars per share)					$ 1,000
Debt Instrument, Convertible, Conversion Price (in Dollars per share)					$ 6.25
Preferred Stock, Redemption Amount																$ 10,374,000