Note 6 - Deposits (Details) - Contractual Maturities of Time Certificates of Deposit $ in Thousands	Dec. 31, 2015 USD ($)
Due within:
1 year	$ 137,398
1 year	0.55%
1-2 years	$ 11,861
1-2 years	1.29%
2-3 years	$ 3,657
2-3 years	0.84%
3-4 years	$ 1,714
3-4 years	0.53%
4-5 years	$ 2,334
4-5 years	0.55%
	$ 156,964
	0.61%