Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Total revenue, net	$ 156,499	$ 112,408	$ 446,809	$ 286,478
Less: Cost of goods sold	33,071	25,444	96,676	65,354
Gross margin	123,428	86,964	350,133	221,124
Operating expenses:
Selling, general and administrative	120,164	82,559	346,496	227,598
Research and development	10,204	8,923	30,450	23,295
Total operating expenses	130,368	91,482	376,946	250,893
Operating loss	(6,940)	(4,518)	(26,813)	(29,769)
Interest income, net	549	1,146	1,908	238
Other income (expense), net	33	(90)	50	(182)
Loss from operations before taxes	(6,358)	(3,462)	(24,855)	(29,713)
Income tax (provision) benefit	(430)		1,929
Net loss	$ (6,788)	$ (3,462)	$ (22,926)	$ (29,713)
Loss per share:
Basic	$ (0.02)	$ (0.01)	$ (0.06)	$ (0.09)
Diluted	$ (0.02)	$ (0.01)	$ (0.06)	$ (0.09)
Weighted average shares:
Basic	389,699	350,994	378,770	336,938
Diluted	389,699	350,994	378,770	336,938
Product Revenue, Net
Total revenue, net	$ 155,190	$ 112,250	$ 441,118	$ 285,347
Licensing and Royalty Revenue
Total revenue, net	$ 1,309	$ 158	$ 5,691	$ 1,131

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