Quarterly Results of Operations (Unaudited)

12 Months Ended

Dec. 31, 2018

Quarterly Financial Information Disclosure [Abstract]

Quarterly Results of Operations (Unaudited)

21. Quarterly Results of Operations (Unaudited)

The following is a summary of the quarterly results of operations for the years ended December 31, 2018 and 2017:

	Quarter Ended
(In thousands except per share data)	March 31		June 30		September 30		December 31
2018
Revenues	$	16,654	$	17,500	$	17,876	$	18,448
Gross margin		13,140		13,694		14,006		14,451
Net income (loss)		1,892		1,840		2,455		9,240
Basic net income (loss) per common share*		0.04		0.04		0.05		0.18
Diluted net income (loss) per common share*		0.04		0.03		0.05		0.17
Comprehensive Income		—		—		—		9,224
2017
Revenues	$	15,893	$	16,378	$	16,592	$	16,800
Gross margin		13,070		13,131		13,320		13,540
Net income (loss)		1,775		1,139		1,905		(12,877	)
Basic net income (loss) per common share*		0.03		0.02		0.04		(0.24	)
Diluted net income (loss) per common share*		0.03		0.02		0.03		(0.24	)
Comprehensive Income		—		—		—		—

* Net income (loss) per share is calculated independently for each quarter. The sum of Net income (loss) per share for each quarter may not equal the total Net income (loss) per share for the year due to rounding differences.