Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($) $ in Thousands	Total	Common stock	Preferred stock	Nonvested restricted stock	Additional paid-in capital	Accumulated other comprehensive income (loss)	Retained earnings
Balance at Dec. 31, 2014	$ 82,992	$ 62		$ (494)	$ 68,785	$ 302	$ 14,337
Balance, shares at Dec. 31, 2014		6,219,002
Net income	7,315						7,315
Proceeds from exercise of stock options	189				189
Proceeds from exercise of stock options, shares		24,130
Amortization of deferred compensation on restricted stock	144			144
Compensation expense related to stock options, net of tax	426				426
Other comprehensive income (loss)	(16)					(16)
Balance at Sep. 30, 2015	91,050	$ 62		(350)	69,400	286	21,652
Balance, shares at Sep. 30, 2015		6,243,132
Balance at Dec. 31, 2015	94,240	$ 63		(360)	70,037	(4)	24,504
Balance, shares at Dec. 31, 2015		6,289,038
Net income	9,745						9,745
Proceeds from exercise of stock options	534	$ 1			533
Proceeds from exercise of stock options, shares		71,628
Issuance of restricted stock				(526)	526
Issuance of restricted stock, shares		22,000
Amortization of deferred compensation on restricted stock	211			211
Compensation expense related to stock options, net of tax	553				553
Other comprehensive income (loss)	740					740
Balance at Sep. 30, 2016	$ 106,023	$ 64		$ (675)	$ 71,649	$ 736	$ 34,249
Balance, shares at Sep. 30, 2016		6,382,666