Note 8 - Deposits (Tables)

12 Months Ended

Dec. 31, 2018

Notes Tables

Schedule of Maturities of Certificates of Deposit [Table Text Block]

Year ending December 31:
2019	$	796,333,079
2020		116,147,111
2021		31,872,141
2022		20,834,858
2023		9,258,973
Thereafter		257,874
	$	974,704,036

Schedules of Collateralized Investment Securities Table Text Block

	2018		2017
U.S. govt. sponsored agency securities	$	980,160	$	983,670
Residential mortgage-backed and related securities		9,882,921		9,035,755
	$	10,863,081	$	10,019,425