Earnings per share (Tables)

9 Months Ended

Sep. 30, 2018

Earnings Per Share [Abstract]

Weighted Average Number of Shares Used in Computing Earnings per Share

The following table shows the weighted average number of shares used in computing earnings per share and the effect on the weighted average number of shares of dilutive potential common stock.

	For the Three Months Ended				For the Nine Months Ended
	September 30,				September 30,
	2018		2017		2018		2017
Net income	$	1,026	$	742	$	3,096	$	1,122
Weighted average shares outstanding, basic		13,080,372		10,488,227		13,059,845		8,175,431
Dilutive shares:
Stock options		56,060		69,396		60,334		67,269
Restricted shares		6,117		—		8,536		—
Weighted average shares outstanding, dilutive		13,142,549		10,557,623		13,128,715		8,242,700
Basic and diluted earnings per share	$	0.08	$	0.07	$	0.24	$	0.14