Loans and Allowance for Loan Losses (Details 1) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Allowance for loan lossses, Beginning balance	$ 236	$ 180	$ 278	$ 180
Provision (credit) for loan losses	(10)	20	(32)	45
Charge-offs	(21)	(1)	(79)	(36)
Recoveries	14	3	52	13
Net (charge-offs) recoveries	(7)	2	(27)	(23)
Allowance for loan lossses, Ending balance	219	202	219	202
Consumer Real Estate [Member]
Allowance for loan lossses, Beginning balance	2	4	4	10
Provision (credit) for loan losses	(1)	0	(12)	(6)
Charge-offs	0	0	(12)	0
Recoveries	0	0	21	0
Net (charge-offs) recoveries	0	0	9	0
Allowance for loan lossses, Ending balance	1	4	1	4
Consumer loans other [Member]
Allowance for loan lossses, Beginning balance	0	8	0	8
Provision (credit) for loan losses	0	(8)	(1)	(7)
Charge-offs	(1)	(1)	(7)	(8)
Recoveries	1	1	8	7
Net (charge-offs) recoveries	0	0	1	(1)
Allowance for loan lossses, Ending balance	0	0	0	0
Commercial And Industrial [Member]
Allowance for loan lossses, Beginning balance	49	3	102	7
Provision (credit) for loan losses	(11)	80	(48)	84
Charge-offs	0	0	(19)	(10)
Recoveries	0	1	3	3
Net (charge-offs) recoveries	0	1	(16)	(7)
Allowance for loan lossses, Ending balance	38	84	38	84
Commercial Real Estates [Member]
Allowance for loan lossses, Beginning balance	185	150	139	155
Provision (credit) for loan losses	3	(37)	62	(26)
Charge-offs	(20)	0	(41)	(18)
Recoveries	12	1	20	3
Net (charge-offs) recoveries	(8)	1	(21)	(15)
Allowance for loan lossses, Ending balance	180	114	180	114
Unallocated [Member]
Allowance for loan lossses, Beginning balance	0	15	33	0
Provision (credit) for loan losses	(1)	(15)	(33)
Charge-offs	0	0	0	0
Recoveries	1	0	0	0
Net (charge-offs) recoveries	1	0	0	0
Allowance for loan lossses, Ending balance	$ 0	$ 0	$ 0	$ 0