Note 9 - Qualified Affordable Housing Project Investments (Details) (USD $)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014		Dec. 31, 2013
Note 9 - Qualified Affordable Housing Project Investments (Details) [Line Items]
Proportional Amortization Method Qualified Affordable Housing Project Investments	$ 5,205,000		$ 5,205,000		$ 5,500,000
Proportional Amortization Method Qualified Affordable Housing Project Investments, Unfunded Liability Obligation	4,102,000		4,102,000		4,796,000
Qualified Affordable Housing Project Investments Term			16 years
Affordable Housing Tax Credits, Amount	239,000	0
Affordable Housing Tax Benefits, Amount	76,000	0
Proportional Amortization Method Qualified Affordable Housing Project Investments, Amortization	$ 295,000	$ 0	$ 295,000	[1]	$ 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.