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, 2015	$ 2	$ 49	$ 58,456	$ (8,648)	$ (434)	$ 49,425
Balance (in shares) at Dec. 31, 2015	157,985	4,911,870
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income				2,822		2,822
Other comprehensive loss					(450)	(450)
Conversion of preferred stock for common stock	$ (1)	$ 1
Conversion of preferred stock for common stock (in shares)	(91,000)	91,000
Issuance of common stock			1			1
Issuance of common stock (in shares)		80
Stock compensation expense			388			388
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)
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)
Conversion of preferred stock for common stock (in shares)		157,985
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
Balance at Dec. 31, 2018		$ 75	$ 88,539	$ 6,774	$ (2,614)	$ 92,774
Balance (in shares) at Dec. 31, 2018		7,532,723