SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED)

12 Months Ended

Dec. 31, 2019

Quarterly Financial Information Disclosure [Abstract]

SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED)

SELECTED QUARTERLY FINANCIAL DATA (UNAUDITED)

Selected unaudited quarterly financial data were as follows for the years ended December 31:

	2019
	Quarter ended March 31,		Quarter ended June 30,		Quarter ended September 30,		Quarter ended December 31,
Net sales	$	100,135	$	110,954	$	100,094	$	86,367
Gross profit	$	36,405	$	42,073	$	36,224	$	30,221
Net income (loss)	$	15,170	$	17,244	$	6,915	$	(5,288	)
Net income (loss) per share
Basic	$	1.02	$	1.17	$	0.47	$	(0.36	)
Diluted	$	1.01	$	1.15	$	0.46	$	(0.36	)

	2018
	Quarter ended March 31,		Quarter ended June 30,		Quarter ended September 30,		Quarter ended December 31,
Net sales	$	67,313	$	80,915	$	87,883	$	90,318
Gross profit	$	22,753	$	26,775	$	29,728	$	31,439
Net income	$	3,920	$	6,372	$	4,910	$	15,271
Net income per share
Basic	$	0.26	$	0.43	$	0.33	$	1.02
Diluted	$	0.26	$	0.43	$	0.33	$	1.02