Note 18 - Dividend Restriction (Details) $ in Millions	12 Months Ended
	Dec. 31, 2015 USD ($)
Note 18 - Dividend Restriction (Details) [Line Items]
Regulatory Dividend Restrictions Prior Period Considered for Net Income	2 years
Regulatory Dividend Restrictions Period Considered for Deduction of Dividend Already Paid From Net Income	2 years
Subsidiaries [Member]
Note 18 - Dividend Restriction (Details) [Line Items]
Statutory Accounting Practices, Statutory Amount Available for Dividend Payments without Regulatory Approval (in Dollars)	$ 57.2