Loans and Allowance for Loan Losses (Details 3) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	$ 4,354,000	$ 3,880,000
Charged-off loans	(306,000)	(506,000)
Recoveries of loans charged off	269,000	57,000
Provision (reallocation) charged to operating expense	787,545	922,955
Ending balance	5,105,000	4,354,000
Commercial Real Estate [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	1,906,000	1,734,000
Charged-off loans	0	(95,000)
Recoveries of loans charged off	45,000	0
Provision (reallocation) charged to operating expense	418,000	267,000
Ending balance	2,369,000	1,906,000
Consumer Real Estate [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	1,015,000	906,000
Charged-off loans	(102,000)	(247,000)
Recoveries of loans charged off	76,000	0
Provision (reallocation) charged to operating expense	393,000	356,000
Ending balance	1,382,000	1,015,000
Construction and Land Development [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	627,000	690,000
Charged-off loans	(14,000)	(50,000)
Recoveries of loans charged off	22,000	26,000
Provision (reallocation) charged to operating expense	82,000	(39,000)
Ending balance	717,000	627,000
Commercial and Industrial [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	777,000	524,000
Charged-off loans	(35,000)	0
Recoveries of loans charged off	58,000	19,000
Provision (reallocation) charged to operating expense	(280,000)	234,000
Ending balance	520,000	777,000
Consumer and Other [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	29,000	26,000
Charged-off loans	(155,000)	(114,000)
Recoveries of loans charged off	68,000	12,000
Provision (reallocation) charged to operating expense	175,000	105,000
Ending balance	$ 117,000	$ 29,000