Note 3 - Securities (Details) - Amortized Cost and Approximate Fair Value of Held to Maturity Securities (Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member], USD $)	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Dec. 31, 2013
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Debt Securities:
Securities Amortized Cost	$ 74,483	$ 79,162
Securities Gross Unrealized Gains	1,783	1,927
Securities Approximate Fair Value	$ 76,266	$ 81,089