Earnings Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Earnings Per Common Share
Net income	$ 1,869	$ 3,480
Less net income attributable to participating securities	(5)	(3)
Income available to common stockholders	$ 1,864	$ 3,477
Weighted average common shares outstanding for basic earnings per common share	26,678,917	28,999,327
Add: dilutive effects of assumed exercises of stock options	27,117
Add: dilutive effects of unvested restricted stock awards	49,448	99,173
Weighted average common shares outstanding for diluted earnings per common share	26,755,482	29,098,500
Earnings per common share - basic (in dollars per share)	$ 0.07	$ 0.12
Earnings per common share - diluted (in dollars per share)	$ 0.07	$ 0.12
Anti-dilutive stock options not considered in computing diluting earnings per common share	87,500	540,625