Note 17 - Off-balance Sheet Arrangements and Commitments (Details) - USD ($) $ in Thousands		Dec. 31, 2016	Dec. 31, 2015
Commitments to Extend Credit [Member]
Lending Commitments		$ 80,265	$ 44,153
Interest Rate Lock Commitments [Member]
Lending Commitments		14,079	10,893
Commitment to Sell [Member]
Lending Commitments		8,954	7,326
Construction Loan [Member]
Lending Commitments		75,365	50,109
Unused lines of Credit [Member]
Lending Commitments		132,796	131,940
Unused Revolving Credit Card [Member]
Lending Commitments	[1]	0	5,414
Outstanding Standby Letters of Credit [Member]
Lending Commitments		2,870	3,220
Associated With Overdrawn Deposit Accounts [Member]
Lending Commitments		$ 16,585	$ 20,426

[1] Note that the Bank sold its credit card portfolio during the second quarter of 2016.