Note 23 - Preferred Stock (Details Textual) - Series A Preferred Stock [Member] - USD ($) $ / shares in Units, $ in Millions			3 Months Ended		12 Months Ended
	Jun. 08, 2015	Jan. 09, 2009	Dec. 31, 2014	Jun. 30, 2014	Dec. 31, 2014
Stock Issued During Period, Shares, New Issues		30,000
Preferred Stock, Par or Stated Value Per Share		$ 0
Proceeds from Issuance of Preferred Stock and Preference Stock		$ 30
Stock Redeemed or Called During Period, Shares	10,000		10,000	10,000	20,000
Preferred Stock, Liquidation Preference Per Share	$ 1,000		$ 1,000		$ 1,000