CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Preferred Stock	Common Stock	Additional Paid-in Capital	Retained Earnings	AOCI Attributable to Parent	Total
Balance at Dec. 31, 2016	$ 1	$ 50	$ 58,845	$ (5,826)	$ (884)	$ 52,186
Balance (in shares) at Dec. 31, 2016	66,985	5,002,950
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income				3,644		3,644
Other comprehensive loss					(284)	(284)
Conversion of preferred stock for common stock	$ (1)	$ 1
Conversion of preferred stock for common stock (in shares)	(66,985)	66,985
Exercise of stock options, net		$ 1	941			942
Exercise of stock options, net (in shares)		101,941
Issuance of common stock		$ 21	26,320			26,341
Issuance of common stock (in shares)		2,154,660
Stock compensation expense			554			554
Reclassification due to adoption of ASU 2018-02				222	(222)	222
Balance at Dec. 31, 2017		$ 73	86,660	(1,960)	(1,390)	83,383
Balance (in shares) at Dec. 31, 2017		7,326,536
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income				8,734		8,734
Other comprehensive loss					(1,224)	(1,224)
Exercise of stock options, net			378			378
Exercise of stock options, net (in shares)		42,687
Restricted stock grants		$ 2	(2)
Restricted stock grants (in shares)		163,500
Stock compensation expense			1,503			1,503
Reclassification due to adoption of ASU 2018-02						0
Balance at Dec. 31, 2018		$ 75	88,539	6,774	(2,614)	92,774
Balance (in shares) at Dec. 31, 2018		7,532,723
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income				14,143		14,143
Other comprehensive loss					3,000	3,000
Exercise of stock options, net			50			50
Exercise of stock options, net (in shares)		8,947
Restricted stock grants		$ 2	(2)
Restricted stock grants (in shares)		110,500
Stock compensation expense			1,095			1,095
Reclassification due to adoption of ASU 2018-02						0
Balance at Dec. 31, 2019		$ 77	$ 89,682	$ 20,917	$ 386	$ 111,062
Balance (in shares) at Dec. 31, 2019		7,652,170