Note 9 - Qualified Affordable Housing Project Investments (Details) (USD $)	3 Months Ended		9 Months Ended			12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014		Sep. 30, 2013	Dec. 31, 2013
Note 9 - Qualified Affordable Housing Project Investments (Details) [Line Items]
Proportional Amortization Method Qualified Affordable Housing Project Investments	$ 4,983,000		$ 4,983,000			$ 5,500,000
Proportional Amortization Method Qualified Affordable Housing Project Investments, Unfunded Liability Obligation	3,031,000		3,031,000			4,796,000
Qualified Affordable Housing Project Investments Term			16 years
Affordable Housing Tax Credits, Amount	120,000	0
Affordable Housing Tax Benefits, Amount	38,000	0
Proportional Amortization Method Qualified Affordable Housing Project Investments, Amortization			$ 516,000	[1]	$ 0	$ 0	[1]
Minimum [Member]
Note 9 - Qualified Affordable Housing Project Investments (Details) [Line Items]
Qualified Affordable Housing Project Investments, Return Rate			4.76%
Maximum [Member]
Note 9 - Qualified Affordable Housing Project Investments (Details) [Line Items]
Qualified Affordable Housing Project Investments, Return Rate			7.18%

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