2. Investment Securities (Details 2) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Fair Value Less than 12 Months	$ 8,244	$ 4,483
Unrealized Losses Less than 12 Months	(190)	(25)
Fair Value More than 12 Months	0	0
Unrealized Losses More than 12 Months	0	0
Fair Value Total	8,244	4,483
Unrealized Losses Total	(190)	(25)
Government sponsored Enterprises [Member]
Fair Value Less than 12 Months	7,820	3,981
Unrealized Losses Less than 12 Months	(179)	(19)
Fair Value More than 12 Months	0	0
Unrealized Losses More than 12 Months	0	0
Fair Value Total	7,820	3,981
Unrealized Losses Total	(179)	(19)
Mortgage-backed securities [Member]
Fair Value Less than 12 Months	424	502
Unrealized Losses Less than 12 Months	(11)	(6)
Fair Value More than 12 Months	0	0
Unrealized Losses More than 12 Months	0	0
Fair Value Total	424	502
Unrealized Losses Total	$ (11)	$ (6)