SUMMARY OF QUARTERLY OPERATIONS - UNAUDITED (Tables)

12 Months Ended

Dec. 31, 2019

Quarterly Financial Information Disclosure [Abstract]

Schedule of the Company's unaudited summary of quarterly operations

The following tables presents our unaudited summary of quarterly operations during 2019 and 2018 for each of three month periods ended March 31, June 30, September 30, and December 31 (dollar amounts in thousands, except per share information).

	For the Quarter Ended
	March 31, 2019		June 30, 2019		September 30, 2019		December 31, 2019
Net sales	$	91,272	$	90,724	$	88,524	$	91,695
Cost of sales	(23,429)		(23,865)		(22,784)		(23,862)
Gross profit	67,843		66,859		65,740		67,833
Volume incentives	31,013		31,302		29,862		31,233
Selling, general and administrative	33,852		31,019		31,177		32,692
Operating income	2,978		4,538		4,701		3,908
Other income (expense)	(48)		306		(1,243)		502
Income before income taxes	2,930		4,844		3,458		4,410
Provision for income taxes	1,201		2,215		2,107		3,190
Net income	1,729		2,629		1,351		1,220
Net income (loss) attributable to noncontrolling interests	(28)		(60)		34		218
Net income attributable to common shareholders	$	1,757	$	2,689	$	1,317	$	1,002
Basic and diluted net income per common share:
Basic earnings per share attributable to common shareholders:	$	0.09	$	0.14	$	0.07	$	0.05
Diluted earnings per share attributable to common shareholders:	$	0.09	$	0.14	$	0.07	$	0.05

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

	For the Quarter Ended
	March 31, 2018		June 30, 2018		September 30, 2018		December 31, 2018
Net sales	$	87,342	$	91,266	$	88,828	$	97,374
Cost of sales	(22,713)		(24,278)		(23,161)		(25,539)
Gross profit	64,629		66,988		65,667		71,835
Volume incentives	31,362		31,492		30,511		31,972
Selling, general and administrative	32,386		33,310		31,643		41,092
Operating income (loss)	881		2,186		3,513		(1,229)
Other income (expense), net	740		(1,807)		(353)		(731)
Income (loss) before income taxes	1,621		379		3,160		(1,960)
Provision for income taxes	1,288		441		1,821		852
Net income (loss)	333		(62)		1,339		(2,812)
Net income (loss) attributable to noncontrolling interests	(165)		(129)		(158)		104
Net income (loss) attributable to common shareholders	$	498	$	67	$	1,497	$	(2,916)
Basic and diluted net income (loss) per common share:
Basic earnings (loss) per share attributable to common shareholders:	$	0.03	$	—	$	0.08	$	(0.15)
Diluted earnings (loss) per share attributable to common shareholders:	$	0.03	$	—	$	0.08	$	(0.15)