Quarterly Financial Information (Notes)

12 Months Ended

Dec. 31, 2019

Quarterly Financial Information Disclosure [Abstract]

Quarterly Financial Information [Text Block]

The following table contains quarterly financial data for the years ended December 31, 2019 and 2018 (in thousands, except per share data). The unaudited quarterly information has been prepared on a basis consistent with the audited consolidated financial statements and includes all adjustments that the Company considers necessary for a fair presentation of the information shown. The operating results for any fiscal quarter are not necessarily indicative of the operating results for a full fiscal year or any future period and there can be no assurances that any trend reflected in such results will continue in the future.

	Three Months Ended
	Dec. 31, 2019		Sept. 30, 2019		Jun. 30, 2019			Mar. 31, 2019			Dec. 31, 2018			Sept. 30, 2018		Jun. 30, 2018			Mar. 31, 2018
Total revenues	$	105,483	$	99,276	$	92,199		$	86,978		$	82,640		$	78,164	$	73,392		$	69,760
Gross profit	17,734		17,445		14,713			15,032			14,205			13,744		12,353			11,064
Net income (loss)	$	636	$	782	$	(1,931	)	$	(1,296	)	$	(275	)	$	1,205	$	(377	)	$	(1,480	)
Net income (loss) per share:
Basic	$	0.02	$	0.02	$	(0.06	)	$	(0.04	)	$	(0.01	)	$	0.04	$	(0.01	)	$	(0.05	)
Diluted	$	0.02	$	0.02	$	(0.06	)	$	(0.04	)	$	(0.01	)	$	0.03	$	(0.01	)	$	(0.05	)
Weighted-average common shares outstanding:
Basic	34,876,438		34,876,782		34,610,709			34,292,367			33,716,975			33,129,416		30,721,037			30,246,585
Diluted	36,354,620		36,399,136		34,610,709			34,292,367			33,716,975			36,385,360		30,721,037			30,246,585