Note 9 - Federal Income Taxes (Details) - Deferred Tax Assets and Liabilities (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Deferred tax assets:
Allowance for loan losses	$ 6,119	$ 7,256
Deferred compensation	591	655
Losses on capital investments	1,131	1,159
Other	468	1,254
Total deferred tax assets	8,309	10,324
Deferred tax liabilities:
Fixed assets	(1,586)	(1,821)
Mortgage servicing rights	(1,676)	(1,697)
Purchase accounting adjustments	(234)	(234)
Unrealized gain on securities available for sale	(143)	(1,880)
Other	(675)	(407)
Total deferred tax liabilities	(4,314)	(6,039)
Net deferred tax assets	3,995	4,285
Deferred tax valuation allowance	(1,143)	(1,143)
Net deferred tax assets	$ 2,852	$ 3,142