Note 9 - Federal Home Loan Bank Advances (Details) - Maturity and Interest Rate Information on Advances from FHLB (USD $)	Dec. 31, 2014		Dec. 31, 2013
Maturity:
FHLB advances due next 12 months	$ 63,000,000		$ 75,850,000
FHLB advances due next 12 months, weighted average interest rate at year-end	0.87%		1.32%
FHLB advances due year two	44,500,000		21,000,000
FHLB advances due year two, weighted average interest rate at year-end	3.81%		2.26%
FHLB advances due year three	33,000,000		42,500,000
FHLB advances due year three, weighted average interest rate at year-end	3.59%		3.96%
FHLB advances due year four	43,000,000		31,000,000
FHLB advances due year four, weighted average interest rate at year-end	3.49%		3.75%
FHLB advances due year five	20,000,000		41,000,000
FHLB advances due year five, weighted average interest rate at year-end	4.12%		3.58%
Total FHLB advances	203,500,000		231,350,000
Total FHLB advances, weighted average interest rate at year-end	2.83%		2.86%
Thereafter			20,000,000
Thereafter			4.12%
Federal Home Loan Bank, Advances, Putable Option [Member]
Maturity:
FHLB advances due year two	32,500,000	[1]
FHLB advances due year two, weighted average interest rate at year-end	4.56%
FHLB advances due year three	15,000,000	[1]	32,500,000	[1]
FHLB advances due year three, weighted average interest rate at year-end	4.42%		4.56%
FHLB advances due year four	5,000,000	[1]	15,000,000
FHLB advances due year four, weighted average interest rate at year-end	2.84%		4.42%
FHLB advances due year five			5,000,000
FHLB advances due year five, weighted average interest rate at year-end			2.84%
Total FHLB advances	$ 52,500,000	[1]	$ 52,500,000	[1]
Total FHLB advances, weighted average interest rate at year-end	4.36%		4.36%

[1] Of the advances outstanding, a portion have putable options which allow the FHLB, at its discretion, to terminate the advances and require the subsidiary banks to repay at predetermined dates prior to the stated maturity date of the advances.