Loans and Allowances for Loan Losses (Details 6) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Beginning balance	$ 223,000	$ 202,000	$ 278,000	$ 180,000
(Credit) provision for loan losses	30,000	5,000	22,000	25,000
Charge-offs	44,000	30,000	58,000	35,000
Recoveries	27,000	3,000	38,000	10,000
Net charge-offs	(17,000)	(27,000)	(20,000)	(25,000)
Ending balance	236,000	180,000	236,000	180,000
Consumer Real Estate [Member]
Beginning balance			4,000	10,000
(Credit) provision for loan losses			(10,000)	(6,000)
Charge-offs			1,000	0
Recoveries			20,000	0
Net charge-offs			8,000	0
Ending balance	2,000	4,000	2,000	4,000
Consumer And Other [Member]
Beginning balance			0	8,000
(Credit) provision for loan losses			(1,000)	1,000
Charge-offs			6,000	7,000
Recoveries			7,000	6,000
Net charge-offs			1,000	(1,000)
Ending balance	0	8,000	0	8,000
Unallocated [Member]
Beginning balance			33,000	20,000
(Credit) provision for loan losses			(33,000)	(15,000)
Charge-offs			0	0
Recoveries			0	0
Net charge-offs			0	0
Ending balance	0	15,000	0	15,000
Commercial And Industrials [Member]
Beginning balance	85,000	8,000	102,000	7,000
(Credit) provision for loan losses	(32,000)	4,000	(37,000)	4,000
Charge-offs	5,000	(10,000)	19,000	10,000
Recoveries	1,000	1,000	3,000	2,000
Net charge-offs	(4,000)	(9,000)	(16,000)	(8,000)
Ending balance	49,000	3,000	49,000	3,000
Ending balance	49,000	3,000	49,000	3,000
Commercial Real Estate [Member]
Beginning balance	101,000	158,000	139,000	155,000
(Credit) provision for loan losses	97,000	8,000	59,000	11,000
Charge-offs	(21,000)	(18,000)	21,000	18,000
Recoveries	8,000	2,000	8,000	2,000
Net charge-offs	(13,000)	(16,000)	(13,000)	(16,000)
Ending balance	$ 185,000	$ 150,000	$ 185,000	$ 150,000