Note 3 - Securities (Details) - Amortized Cost and Approximate Fair Value of Held to Maturity Securities (USD $)	9 Months Ended	12 Months Ended
	Sep. 30, 2013	Dec. 31, 2012
Schedule of Held-to-maturity Securities [Line Items]
Government sponsored mortgage-backed securities	$ 84,188
Government sponsored mortgage-backed securities	3,875
Government sponsored mortgage-backed securities	88,063
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises [Member]
Schedule of Held-to-maturity Securities [Line Items]
Government sponsored mortgage-backed securities	84,188	181,042
Government sponsored mortgage-backed securities	3,875	12,440
Government sponsored mortgage-backed securities	$ 88,063	$ 193,482