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, 2017	$ 91,480	$ 67,926	$ 5,280	$ 18,624	$ (350)
Beginning balance, shares at Dec. 31, 2017		13,190,527
Net income	3,216			3,216
Stock issued under stock offering, net of expenses	22,637	$ 22,637
Stock issued under stock offering, net of expenses, shares		2,300,000
Stock issued under stock-based compensation plans	114	$ 114
Stock issued under stock-based compensation plans, shares		40,000
Stock-based compensation	246		246
Change in unrealized loss on securities available for sale net of reclassifications and tax effects	(433)				(433)
Ending balance at Mar. 31, 2018	117,260	$ 90,677	5,526	21,840	(783)
Ending balance, shares at Mar. 31, 2018		15,530,527
Beginning balance at Dec. 31, 2018	129,787	$ 91,209	6,249	32,877	(548)
Beginning balance, shares at Dec. 31, 2018		15,860,306
Net income	4,740			4,740
Stock issued under stock-based compensation plans	292	$ 292
Stock issued under stock-based compensation plans, shares		118,162
Stock-based compensation	377		377
Repurchase of common stock	(2,381)	$ (2,381)
Repurchase of common stock, shares		(258,885)
Cash dividends declared	(793)			(793)
Change in unrealized loss on securities available for sale net of reclassifications and tax effects	354				354
Ending balance at Mar. 31, 2019	$ 132,376	$ 89,120	$ 6,626	$ 36,824	$ (194)
Ending balance, shares at Mar. 31, 2019		15,719,583