CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (unaudited) - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)
Beginning balance at Dec. 31, 2019	$ 140,576	$ 86,381	$ 7,524	$ 46,483	$ 188
Beginning balance, shares at Dec. 31, 2019		15,703,276
Net income	3,299			3,299
Stock issued under stock-based compensation plans	305	$ 305
Stock issued under stock-based compensation plans, shares		130,046
Stock-based compensation	358		358
Repurchase of common stock	(6,264)	$ (6,264)
Repurchase of common stock, shares		(717,454)
Cash dividends declared	(1,087)			(1,087)
Change in other comprehensive income(loss)	912				912
Ending balance at Mar. 31, 2020	138,099	$ 80,422	7,882	48,695	1,100
Ending balance, shares at Mar. 31, 2020		15,115,868
Beginning balance at Dec. 31, 2020	143,366	$ 78,657	8,521	55,348	840
Beginning balance, shares at Dec. 31, 2020		15,016,700
Net income	5,077			5,077
Stock issued under stock-based compensation plans	25	$ 25
Stock issued under stock-based compensation plans, shares		24,765
Stock-based compensation	131		131
Repurchase of common stock	(28)	$ (28)
Repurchase of common stock, shares		(3,830)
Cash dividends declared	(1,052)			(1,052)
Change in other comprehensive income(loss)	(526)				(526)
Ending balance at Mar. 31, 2021	$ 146,993	$ 78,654	$ 8,652	$ 59,373	$ 314
Ending balance, shares at Mar. 31, 2021		15,037,635