Income (loss) per Common Share (Tables)

3 Months Ended

Mar. 31, 2018

Income per Common Share [Abstract]

Schedule of reconciliation of net income per share

A reconciliation of net income (loss) per share is as follows (in thousands except per share data): 

	Three-Month Periods Ended March 31,
	2018			2017
Numerator:
Net income (loss)	$	(17	)	$	197
Denominator:
Weighted average common shares outstanding		5,181			5,096
Dilutive potential common shares		—			—
Shares used in diluted net loss per common share calculations		5,181			5,096
Basic net income (loss) per common share	$	(0.00	)	$	0.04
Diluted net income (loss) per common share	$	(0.00	)	$	0.04