QUARTERLY RESULTS (UNAUDITED) (Notes)

12 Months Ended

Dec. 31, 2020

Quarterly Financial Information Disclosure [Abstract]

The following information has been derived from unaudited consolidated financial statements that, in the opinion of management, include all normal recurring adjustments necessary for a fair presentation of such information.


(In thousands, except per share data)	Quarter Ended
	2020								2019
	Dec. 31		Sept. 30		June 30		Mar. 31		Dec. 31		Sept. 30		June 30		Mar. 31
Net revenues	$	104,301	$	90,431	$	79,281	$	86,453	$	116,306	$	93,461	$	98,701	$	103,319
Cost of revenues	38,951		32,174		27,719		33,302		43,033		35,603		40,253		40,087
Amortization of intangible assets	—		—		—		—		—		—		1,788		1,950

Gross profit	65,350		58,257		51,562		53,151		73,273		57,858		56,660		61,282
Operating expenses:
Research and development	14,902		13,623		13,068		15,425		16,018		14,860		15,180		16,285
Marketing and selling	22,660		19,998		19,690		25,289		26,603		22,334		26,129		24,878
General and administrative	12,908		10,796		10,604		12,744		14,816		12,034		12,722		13,788
Amortization of intangible assets	—		—		—		—		—		—		331		363
Restructuring costs (recoveries), net	4,038		723		140		145		113		229		(269)		558
Total operating expenses	54,508		45,140		43,502		53,603		57,550		49,457		54,093		55,872
Operating income (loss)	10,842		13,117		8,060		(452)		15,723		8,401		2,567		5,410
Interest and other expense, net	(3,929)		(4,423)		(5,498)		(5,283)		(5,584)		(5,519)		(13,290)		(5,185)
Income (loss) before income taxes	6,913		8,694		2,562		(5,735)		10,139		2,882		(10,723)		225
Provision for (benefit from) income taxes	(174)		707		717		122		(5,231)		(283)		—		438
Net income (loss)	$	7,087	$	7,987	$	1,845	$	(5,857)	$	15,370	$	3,165	$	(10,723)	$	(213)

Net income (loss) per share – basic	$	0.16	$	0.18	$	0.04	$	(0.14)	$	0.36	$	0.07	$	(0.25)	$	(0.01)
Net income (loss) per share – diluted	$	0.16	$	0.18	$	0.04	$	(0.13)	$	0.35	$	0.07	$	(0.25)	$	(0.01)

Weighted-average common shares outstanding – basic	44,288		44,019		43,719		43,254		43,060		42,913		42,560		42,046
Weighted-average common shares outstanding – diluted	45,541		44,758		44,180		44,101		43,737		43,674		42,560		42,046