Note 18 - Other Expenses - Other Expenses (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Directors compensation	$ 235,060	$ 231,479	$ 221,072
Outside services	122,715	73,966	132,500
Legal expense	249,572	261,088	251,051
Deposit expense	78,892	110,897	139,234
Office supplies	160,727	105,780	94,189
Telephone	183,732	173,160	158,434
Postage	175,614	138,864	141,529
Insurance	113,610	118,483	115,430
Supervisory exam	67,222	55,849	53,951
Accounting	453,000	207,652	210,939
Organization dues	172,259	155,121	145,709
Loan expense	410,177	361,389	271,739
Contributions	60,000	60,000	60,000
ATM expense	245,892	170,455	152,581
Other operating	1,618,683	637,961	673,565
	$ 4,347,155	$ 2,862,144	$ 2,821,923