Note 7 - Fair Value Measurements (Details) - Fair Value of Financial Instruments (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Financial assets
Cash and due from banks	$ 17,112	$ 19,537
Cash and due from banks, fair value	17,145	19,541
Federal funds sold	495	738
Federal funds sold, fair value	495	738
Securities available-for-sale	56,022	57,922
Restricted equity securities	2,718	2,564
Restricted equity securities, fair value	2,718	2,564
Loans held for sale	162	0
Loans held for sale	162
Loans, net	314,352	294,212
Loans, net, fair value	315,569	293,135
Bank owned life insurance	3,569	3,518
Bank owned life insurance, fair value	3,569	3,518
Accrued income	1,922	1,877
Accrued income, fair value	1,922	1,877
Financial liabilities
Total deposits	348,433	339,770
Total deposits, fair value	337,369	327,514
Short term borrowings	573	258
Short term borrowings, fair value	573	258
FHLB borrowings	26,000	22,000
FHLB borrowings, fair value	26,473	22,560
Accrued interest payable	295	286
Accrued interest payable, fair value	295	286
Fair Value, Inputs, Level 1 [Member]
Financial assets
Cash and due from banks, fair value	15,112	17,537
Federal funds sold	495	738
Federal funds sold, fair value	495	738
Fair Value, Inputs, Level 2 [Member]
Financial assets
Securities available-for-sale	56,022	57,922
Restricted equity securities	2,718	2,564
Restricted equity securities, fair value	2,718	2,564
Loans held for sale	162
Bank owned life insurance	3,569	3,518
Bank owned life insurance, fair value	3,569	3,518
Accrued income	1,922	1,877
Accrued income, fair value	1,922	1,877
Financial liabilities
Total deposits, fair value	337,369	327,514
Short term borrowings, fair value	573	258
FHLB borrowings, fair value	26,473	22,560
Accrued interest payable, fair value	295	286
Fair Value, Inputs, Level 3 [Member]
Financial assets
Cash and due from banks, fair value	2,033	2,004
Loans, net, fair value	$ 315,569	$ 293,135