CONSOLIDATED STATEMENT OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income/(loss) [Member]
Balance at Dec. 31, 2015	$ 72,380	$ 46,280	$ 287	$ 25,692	$ 121
Balance (in shares) at Dec. 31, 2015	5,493,209
Net income	$ 5,912			5,912
Other comprehensive income (loss), net	$ (33)				(33)
Restricted stock granted (in shares)	12,794
Termination of restricted stock (In share)	(2,000)
Stock based compensation	$ 334	334
Exercise of stock options	$ 371	371
Exercise of stock options (in shares)	38,331
Repurchase of shares	$ (901)	$ (901)
Repurchase of shares (in shares)	(69,908)	(69,908)
Balance at Dec. 31, 2016	$ 78,063	$ 46,084	287	31,604	88
Balance (in shares) at Dec. 31, 2016	5,472,426
Net income	$ 5,260			5,260
Other comprehensive income (loss), net	89				89
Reclassification of stranded tax effects from change in tax rate	$ 0			(36)	36
Restricted stock granted (in shares)	28,500
Stock based compensation	$ 423	423
Issuance of shares	$ 34,824	34,824
Issuance of shares (in shares)	1,997,960
Repurchase of shares	$ (24)	$ (24)
Repurchase of shares (in shares)	(1,891)	(1,891)
Balance at Dec. 31, 2017	$ 118,635	$ 81,307	287	36,828	213
Balance (in shares) at Dec. 31, 2017	7,496,995
Net income	$ 14,493			14,493
Other comprehensive income (loss), net	$ (316)				(316)
Restricted stock granted (in shares)	93,380
Stock based compensation	$ 1,180	1,180
Initial public offering ("IPO"), net	$ 66,761	66,761
Initial public offering ("IPO"), net (in shares)	3,278,900
Balance at Dec. 31, 2018	$ 200,753	$ 149,248	$ 287	$ 51,321	$ (103)
Balance (in shares) at Dec. 31, 2018	10,869,275