Selected Quarterly Financial Information (unaudited) (Tables)

12 Months Ended

Dec. 31, 2019

Selected Quarterly Financial Information (unaudited)

Schedule of unaudited quarterly financial data

	Fiscal 2019								Fiscal 2018
	Q1		Q2		Q3		Q4		Q1		Q2		Q3		Q4
	(in thousands, except per share amounts)
Net sales	$	99,371	$	97,822	$	108,954	$	113,202	$	158,574	$	157,779	$	126,757	$	98,972
Gross profit		34,716		36,285		42,223		44,970		56,680		55,395		46,385		35,259
Net income (loss)		(18,530)		(15,565)		(11,767)		(32,871)		(15,827)		(237,634)		(8,953)		(144,674)
Basic income (loss) per common share		(0.40)		(0.33)		(0.25)		(0.69)		(0.34)		(5.02)		(0.19)		(3.11)
Diluted income (loss) per common share		(0.40)		(0.33)		(0.25)		(0.69)		(0.34)		(5.02)		(0.19)		(3.11)