Note 2 - Securities (Details) - Amortized Cost and Fair Value of Available for Sale SEcurities and Related Pre-Tax Gross Unrealized Gains and Losses (USD $)	Mar. 31, 2014	Dec. 31, 2013
Schedule of Available-for-sale Securities [Line Items]
Debt securities-Amortized Cost	$ 146,794,000	$ 139,487,000
Debt securities-Gross Unrealized Gains	1,954,000	1,791,000
Debt securities-Gross Unrealized Losses	(7,651,000)	(10,100,000)
Securities available for sale	141,097,000	131,178,000
US Government Agencies Debt Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Debt securities-Amortized Cost	116,492,000	108,279,000
Debt securities-Gross Unrealized Gains	430,000	263,000
Debt securities-Gross Unrealized Losses	(7,628,000)	(10,065,000)
Securities available for sale	109,294,000	98,477,000
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Schedule of Available-for-sale Securities [Line Items]
Debt securities-Amortized Cost	11,544,000	12,456,000
Debt securities-Gross Unrealized Gains	1,071,000	1,102,000
Debt securities-Gross Unrealized Losses	0	0
Securities available for sale	12,615,000	13,558,000
Municipal General Obligation Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Debt securities-Amortized Cost	16,488,000	16,488,000
Debt securities-Gross Unrealized Gains	411,000	388,000
Debt securities-Gross Unrealized Losses	0	(4,000)
Securities available for sale	16,899,000	16,872,000
Municipal Revenue Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Debt securities-Amortized Cost	877,000	878,000
Debt securities-Gross Unrealized Gains	42,000	38,000
Debt securities-Gross Unrealized Losses	0	0
Securities available for sale	919,000	916,000
Mutual Funds [Member]
Schedule of Available-for-sale Securities [Line Items]
Debt securities-Amortized Cost	1,393,000	1,386,000
Debt securities-Gross Unrealized Gains	0	0
Debt securities-Gross Unrealized Losses	(23,000)	(31,000)
Securities available for sale	$ 1,370,000	$ 1,355,000