Note 2 - Securities (Details) (USD $)	6 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Note 2 - Securities (Details) [Line Items]
Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities	$ 15,360,000
Available-for-sale Securities, Amortized Cost Basis	144,223,000	143,661,000
Available-for-sale Securities	147,588,000	152,817,000
Number of Debt Securities Temporarily Impaired	88
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	36,575,000	11,546,000
Federal Home Loan Bank Stock	3,525,000	3,744,000
securities pledged as collateral (Member)
Note 2 - Securities (Details) [Line Items]
Available-for-sale Securities, Amortized Cost Basis	110,370,000	107,870,000
Available-for-sale Securities	113,030,000	115,140,000
Temporarily Impaired (Member)
Note 2 - Securities (Details) [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	$ 36,600,000