Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016	[1]
Loans, allowance for loan losses	$ 3,700	$ 3,636
Other real estate owned, valuation allowance	$ 589	$ 825
Common stock, par value (in dollars per share)	$ 5	$ 5
Common stock, authorized shares (in shares)	10,000,000	10,000,000
Common stock, shares issued (in shares)	5,769,175	5,760,735
Common stock, shares outstanding (in shares)	5,769,175	5,760,735
Common stock, restricted shares (in shares)	28,679	31,546

[1] Derived from consolidated audited financial statements.