Note 4 - Fair Value Measurements (Details) - Estimated Fair Value of the Company’s Financial Instruments (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013	Jun. 30, 2013	Dec. 31, 2012
Financial assets:
Cash and cash equivalents	$ 25,577	$ 26,193	$ 40,429	$ 45,346
Cash and cash equivalents	25,577	26,193
Available for sale	165,506	157,143
Available for sale	165,506	157,143
Net loans	442,990	428,679
Net loans	454,824	430,502
Bank-owned life insurance	8,951	8,816
Federal Home Loan Bank stock	1,887	1,887
Accrued interest receivable	2,229	2,135
Financial liabilities:
Deposits	588,793	568,836
Deposits	580,286	570,276
Short-term borrowings	6,939	10,809
Short-term borrowings	6,939	10,809
Other borrowings	11,362	11,609
Other borrowings	11,679	11,787
Accrued interest payable	342	364
Fair Value, Inputs, Level 1 [Member]
Financial assets:
Cash and cash equivalents	25,577	26,193
Available for sale	5	5
Available for sale	5	5
Bank-owned life insurance	8,951	8,816
Federal Home Loan Bank stock	1,887	1,887
Accrued interest receivable	2,229	2,135
Financial liabilities:
Deposits	406,796	394,422
Short-term borrowings	6,939	10,809
Accrued interest payable	342	364
Fair Value, Inputs, Level 2 [Member]
Financial assets:
Available for sale	165,501	157,138
Available for sale	165,501	157,138
Fair Value, Inputs, Level 3 [Member]
Financial assets:
Net loans	454,824	430,502
Financial liabilities:
Deposits	173,490	175,854
Other borrowings	$ 11,679	$ 11,787