Quarterly Financial Data (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2020

Quarterly Financial Information Disclosure [Abstract]

Summarized Quarterly Information

Summarized quarterly data for fiscal 2020 and 2019 are as follows (in thousands, except per share data):

	Year Ended December 31, 2020
	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter
Selected quarterly financial data:
Revenues	$	13,322	$	12,933	$	12,629	$	12,416
Gross profit	$	12,149	$	11,664	$	11,303	$	10,994
Operating income (loss)	$	1,959	$	1,377	$	196	$	(12	)
Net income	$	2,045	$	1,379	$	161	$	580
Net earnings per share - basic (1)	$	0.05	$	0.03	$	—	$	0.02
Weighted average shares outstanding - basic		39,482		41,127		41,351		41,262
Net earnings per share - diluted (1)	$	0.05	$	0.03	$	—	$	0.01
Weighted average shares outstanding - diluted		42,194		43,079		43,026		43,305

	Year Ended December 31, 2019
	1st Quarter		2nd Quarter		3rd Quarter		4th Quarter
Selected quarterly financial data:
Revenues	$	8,432	$	10,854	$	11,782	$	12,278
Gross profit	$	7,516	$	9,880	$	10,771	$	11,252
Operating income	$	62	$	2,932	$	3,480	$	3,631
Net income	$	48	$	3,436	$	3,567	$	3,671
Net earnings per share - basic (1)	$	—	$	0.11	$	0.10	$	0.10
Weighted average shares outstanding - basic		31,297		32,068		36,094		38,501
Net earnings per share - diluted (1)	$	—	$	0.10	$	0.09	$	0.09
Weighted average shares outstanding - diluted		31,323		35,308		39,472		41,767

(1) Basic and diluted net loss per share is computed independently for each of the quarters presented. Therefore, the sum of the quarterly per share amounts will not necessarily equal the total for the year.