Net Earnings Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016	Dec. 31, 2016
Basic and Diluted:
Net income	$ 921	$ 1,340	$ 1,167	$ 225	$ 11
Weighted average common shares outstanding	5,956,766	6,097,043	5,956,766	6,104,061
Earnings per common share	$ 0.15	$ 0.22	$ 0.20	$ 0.04