Loans and Allowance for Loan Losses (Details 1) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Beginning Balance	$ 278	$ 180
Provision (credit) for loan losses	(52)	20
Charge-offs	(14)	(5)
Recoveries	11	7
Net (charge-offs) recoveries	(3)	2
Ending Balance	223	202
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	81	139
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	142	139
Total, Period-end amount allocated	223	278
Loans, ending balance: Loans individually evaluated for impairment	1,430	1,437
Loans, ending balance: Loans collectively evaluated for impairment	18,018	19,106
Total Loans, ending balance	19,448	20,543
Commercial Real Estate
Beginning Balance	139	155
Provision (credit) for loan losses	(38)	3
Charge-offs	0	0
Recoveries	0	0
Net (charge-offs) recoveries	0	0
Ending Balance	101	158
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0	44
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	101	95
Total, Period-end amount allocated	101	139
Loans, ending balance: Loans individually evaluated for impairment	1,142	1,148
Loans, ending balance: Loans collectively evaluated for impairment	15,013	15,890
Total Loans, ending balance	16,155	17,038
Consumer Loans Other
Beginning Balance	0	8
Provision (credit) for loan losses	(2)	1
Charge-offs	0	(5)
Recoveries	2	6
Net (charge-offs) recoveries	2	1
Ending Balance	0	10
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	0	0
Total, Period-end amount allocated	0	0
Loans, ending balance: Loans individually evaluated for impairment	0	0
Loans, ending balance: Loans collectively evaluated for impairment	705	734
Total Loans, ending balance	705	734
Consumer Real Estate
Beginning Balance	4	10
Provision (credit) for loan losses	(7)	(4)
Charge-offs	0	0
Recoveries	7	0
Net (charge-offs) recoveries	7	0
Ending Balance	4	6
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	4	4
Total, Period-end amount allocated	4	4
Loans, ending balance: Loans individually evaluated for impairment	0	0
Loans, ending balance: Loans collectively evaluated for impairment	1,172	1,226
Total Loans, ending balance	1,172	1,226
Unallocated
Beginning Balance	33	0
Provision (credit) for loan losses	0	20
Charge-offs	0	0
Recoveries	0	0
Net (charge-offs) recoveries	0	0
Ending Balance	33	20
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	33	33
Total, Period-end amount allocated	33	33
Loans, ending balance: Loans individually evaluated for impairment	0	0
Loans, ending balance: Loans collectively evaluated for impairment	0	0
Total Loans, ending balance	0	0
Commercial And Industrial
Beginning Balance	102	7
Provision (credit) for loan losses	(5)	0
Charge-offs	(14)	0
Recoveries	2	1
Net (charge-offs) recoveries	(12)	1
Ending Balance	85	8
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	81	95
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	4	7
Total, Period-end amount allocated	85	102
Loans, ending balance: Loans individually evaluated for impairment	288	289
Loans, ending balance: Loans collectively evaluated for impairment	1,128	1,256
Total Loans, ending balance	$ 1,416	$ 1,545