Note 18 - Capital Transaction (Detail) (USD $)	1 Months Ended	12 Months Ended									12 Months Ended
	Sep. 18, 2009	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Additional Preferred Stock [Member]	Dec. 31, 2012 Series A Preferred Stock [Member] First Five Years [Member]	Dec. 31, 2012 Series A Preferred Stock [Member] After First Five Years [Member]	Dec. 31, 2012 Series A Preferred Stock [Member]	Oct. 31, 2012 Series A Preferred Stock [Member]	Dec. 31, 2011 Series A Preferred Stock [Member]	Sep. 18, 2009 Series A Preferred Stock [Member]	Dec. 31, 2012 Series B Preferred Stock [Member]	Oct. 31, 2012 Series B Preferred Stock [Member]	Dec. 31, 2011 Series B Preferred Stock [Member]	Sep. 18, 2009 Series B Preferred Stock [Member]
Preferred Stock, Dividend Rate, Percentage		5.00%		9.00%	5.00%	9.00%					9.00%
Preferred Stock, Shares Issued (in Shares)							10,000		10,000	10,000	374		374
Preferred Stock, Par or Stated Value Per Share (in Dollars per share)		$ 1,000	$ 1,000							$ 1,000				$ 1,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares)														374
Preferred Stock, Accretion of Redemption Discount	$ 374,000	$ 75,000	$ 70,000
Discount Accretion Period	5 years
Dividends, Preferred Stock, Paid-in-kind		1,300,000
Preferred Stock, Amount of Preferred Dividends in Arrears		534,000	800,000
Preferred Stock, Value, Issued		$ 10,374,000	$ 10,374,000					$ 10,000,000				$ 374,000