Stockholders' Equity and Earnings per Share, OCI by Component, Anti-Dilutive Securities (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Computation of earnings per share [Abstract]
Net Income Available to Common Shareholders, Basic	$ 992	$ 1,161	$ 1,934	$ 2,103
Net Income Available to Common Stockholders, Diluted	$ 992	$ 1,161	$ 1,934	$ 2,103
Weighted Average Common Shares, Basic (in shares)	5,177,233	4,984,151	5,099,088	4,980,728
Potentially dilutive common shares - stock options (in shares)	0	13,000	0	13,000
Potentially dilutive common shares - employee stock purchase program (in shares)	0	0	0	0
Weighted Average Common Shares, Diluted (in shares)	5,177,233	4,996,880	5,099,124	4,993,916
Earnings Per Share, Basic (in dollars per share)	$ 0.19	$ 0.23	$ 0.38	$ 0.42
Earnings Per Share, Diluted (in dollars per share)	$ 0.19	$ 0.23	$ 0.38	$ 0.42
Stock Options [Member]
Earnings Per Share [Abstract]
Antidilutive securities excluded from computation of earnings per share (in shares)			0	0