Note 13 - Other Noninterest Expense - Components of Other Noninterest Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017
Non-employee compensation	$ 176	$ 101	$ 444	$ 301
Printing and supplies	153	107	420	310
Postage	63	36	170	166
Telephone	160	99	410	287
Charitable contributions	36	30	108	111
Dues and subscriptions	46	54	174	172
Loan expenses	140	110	345	271
Meals and entertainment	42	41	142	108
Travel	61	36	171	105
Training	19		56	20
Miscellaneous	425	179	784	581
Total Other Noninterest Expense	$ 1,321	$ 793	$ 3,224	$ 2,432