EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
EARNINGS PER SHARE
Net income	$ 2,530	$ 2,476	$ 4,773	$ 4,253
Weighted-average common shares outstanding	5,777	5,732	5,771	5,726
Basic earnings per share	$ 0.44	$ 0.43	$ 0.83	$ 0.74
Weighted-average common shares outstanding	5,777	5,732	5,771	5,726
Common stock equivalents due to effect of stock options	0	0	0	0
Total weighted-average common shares and equivalents	5,777	5,732	5,771	5,726
Diluted earnings per share	$ 0.44	$ 0.43	$ 0.83	$ 0.74