Note 24 - Qualified Affordable Housing Project Investments (Details) (USD $)	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2009
Note 24 - Qualified Affordable Housing Project Investments (Details) [Line Items]
Proportional Amortization Method Qualified Affordable Housing Project Investments	$ 4,784,000		$ 5,500,000
Proportional Amortization Method Qualified Affordable Housing Project Investments, Unfunded Liability Obligation	2,424,000		4,796,000
Qualified Affordable Housing Project Investments Term	16 years
Affordable Housing Tax Credits, Amount	464,000		226,000
Affordable Housing Tax Benefits, Amount	141,000		53,000
Proportional Amortization Method Qualified Affordable Housing Project Investments, Amortization	716,000	[1]	0	[1]
Investment in Commitment Affordable Housing Fund					$ 2,500,000
Minimum [Member]
Note 24 - Qualified Affordable Housing Project Investments (Details) [Line Items]
Qualified Affordable Housing Project Investments, Return Rate	4.00%
Maximum [Member]
Note 24 - Qualified Affordable Housing Project Investments (Details) [Line Items]
Qualified Affordable Housing Project Investments, Return Rate	8.00%

[1] This amount reduces the tax credits and benefits generated by the Qualified Affordable Housing Projects.