Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Total revenue, net	$ 135,317	$ 100,792	$ 290,310	$ 174,070
Less: Cost of goods sold	28,797	22,770	63,604	39,910
Gross margin	106,520	78,022	226,706	134,160
Operating expenses:
Selling, general and administrative	92,395	73,406	226,332	145,039
Research and development	9,969	7,130	20,247	14,372
Total operating expenses	102,364	80,536	246,579	159,411
Operating income (loss)	4,156	(2,514)	(19,873)	(25,251)
Interest income (expense), net	151	789	1,359	(908)
Other income (expense), net	108	(95)	17	(92)
Income (loss) from operations before taxes	4,415	(1,820)	(18,497)	(26,251)
Income tax benefit			2,359
Net income (loss)	$ 4,415	$ (1,820)	$ (16,138)	$ (26,251)
Earnings (loss) per share:
Basic	$ 0.01	$ (0.01)	$ (0.04)	$ (0.08)
Diluted	$ 0.01	$ (0.01)	$ (0.04)	$ (0.08)
Weighted average shares:
Basic	384,663	330,863	373,300	329,793
Diluted	399,664	330,863	373,300	329,793
Product Revenue, Net
Total revenue, net	$ 133,724	$ 100,366	$ 285,928	$ 173,097
Licensing and Royalty Revenue
Total revenue, net	$ 1,593	$ 426	$ 4,382	$ 973

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 924
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 11.L)
-URI http://asc.fasb.org/extlink&oid=6472922&loc=d3e499488-122856

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2(a),(d))
-URI http://asc.fasb.org/extlink&oid=120395209&loc=SL114868664-224227