Note 7 - Fair Value Measurements (Details) - Fair Value of Financial Assets and Liabililties Measure on Recurring Basis (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Assets:
Investment Securities	$ 59,406	$ 63,466
Derivative assets		67
Liabilities:
Derivative liabilities		67
US Government Agency Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Assets:
Investment Securities	29,034	29,842
US Government Agency Securities [Member]
Assets:
Investment Securities	29,034	29,842
Mortgage-Backed Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Assets:
Investment Securities	16,374	21,984
Mortgage-Backed Securities [Member]
Assets:
Investment Securities	16,374	21,984
Municipal Securities [Member] | Fair Value, Inputs, Level 2 [Member]
Assets:
Investment Securities	13,998	11,640
Municipal Securities [Member]
Assets:
Investment Securities	13,998	11,640
Fair Value, Inputs, Level 2 [Member]
Assets:
Investment Securities	59,406	63,466
Derivative assets		67
Liabilities:
Derivative liabilities		$ 67