Note 2 - Investment Securities (Details) - Available-for-sale Securities (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Note 2 - Investment Securities (Details) - Available-for-sale Securities [Line Items]
Securities available-for-sale, amortized cost	$ 56,227	$ 58,829
Securities available-for-sale, gross unrealized gains	877	496
Securities available-for-sale, gross unrealized losses	(442)	(1,403)
Securities available-for-sale	56,662	57,922
US Government Agencies Debt Securities [Member]
Note 2 - Investment Securities (Details) - Available-for-sale Securities [Line Items]
Securities available-for-sale, amortized cost	27,109	26,489
Securities available-for-sale, gross unrealized gains	308	235
Securities available-for-sale, gross unrealized losses	(225)	(440)
Securities available-for-sale	27,192	26,284
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Note 2 - Investment Securities (Details) - Available-for-sale Securities [Line Items]
Securities available-for-sale, amortized cost	11,212	15,328
Securities available-for-sale, gross unrealized gains	144	193
Securities available-for-sale, gross unrealized losses	(74)	(160)
Securities available-for-sale	11,282	15,361
US States and Political Subdivisions Debt Securities [Member]
Note 2 - Investment Securities (Details) - Available-for-sale Securities [Line Items]
Securities available-for-sale, amortized cost	17,906	17,012
Securities available-for-sale, gross unrealized gains	425	68
Securities available-for-sale, gross unrealized losses	(143)	(803)
Securities available-for-sale	$ 18,188	$ 16,277