Net Income per Common Share (Tables)

3 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Computation of basic and diluted net income per common share:

The computation of basic and diluted net income per common share is as follows:

	Three Months Ended
	March 31,
	2018		2017
Net income	$	518,000	$	1,688,000
Weighted average common shares outstanding — basic	7,711,000		7,652,000
Effect of dilutive securities	89,000		56,000
Weighted average common and potentially issuable common shares outstanding — diluted	7,800,000		7,708,000
Basic net income per common share	$	0.07	$	0.22
Diluted net income per common share	$	0.07	$	0.22