Earnings Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2018	Dec. 31, 2017
Basic and diluted:
Net income	$ 307	$ 542	$ 478	$ 255	$ (152)	$ 411	$ 338	$ 316	$ 1,583	$ 911
Weighted average common shares outstanding (in shares)									2,808,031	2,794,381
Basic net income per share (in dollars per share)									$ 0.56	$ 0.33
Options outstanding	0								0	0