Note 10 - Other Noninterest Expense - Components of Other Noninterest Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Other Noninterest Expense
Non-employee compensation	$ 101	$ 135	$ 301	$ 403
Printing and supplies	107	88	310	296
Postage	36	55	166	158
Telephone	99	108	287	289
Charitable contributions	30	18	111	87
Dues and subscriptions	54	56	172	148
Loan expenses	110	87	271	231
Meals and entertainment	41	36	108	94
Travel	36	41	105	110
Training		10	20	28
Miscellaneous	179	236	581	698
Total Other Noninterest Expense	$ 793	$ 870	$ 2,432	$ 2,542