Loss from operations in the fourth quarter of 2020 was $11.4 million, compared to operating loss of $29.7 million in the fourth quarter of 2019. Non-GAAP loss from operations in the fourth quarter of 2020 was $0.4 million, compared to non-GAAP operating loss of $2.3 million in the fourth quarter of 2019.
Net loss in the fourth quarter of 2020 was $10.6 million, or ($0.24) per diluted share, compared to net income of $36.6 million, or $0.84 per diluted share, in the fourth quarter of 2019. Non-GAAP net loss in the fourth quarter of 2020 was $0.8 million, or ($0.02) per diluted share, compared to non-GAAP net loss of $2.4 million, or ($0.06) per diluted share, in the fourth quarter of 2019.
Full Year 2020 Financial Results
Net sales decreased 5% in 2020 to $225.0 million, compared to $237.0 million in 2019.
Gross margin for 2020 was approximately 59%, compared to approximately 84% in 2019. Non-GAAP gross margin for 2020 was approximately 83%, compared to approximately 86% in 2019.
Selling, general and administrative (SG&A) expenses in 2020 decreased 3% to $171.4 million, compared to $176.6 million in 2019. Non-GAAP SG&A expenses in 2020 rose 10% to $152.3 million, compared to $139.1 million in 2019.
Research and development (R&D) expenses in 2020 rose 25% to $85.4 million, compared to $68.3 million in 2019. Non-GAAP R&D expenses in 2020 rose 21% to $82.9 million, compared to $68.3 million in 2019.
Loss from operations in 2020 was $123.6 million, compared to operating loss of $50.3 million in 2019. Non-GAAP loss from operations in 2020 was $48.2 million, compared to non-GAAP operating loss of $3.1 million in 2019.
Net loss in 2020 was $120.3 million, or ($2.70) per diluted share, compared to net income of $15.4 million, or $0.37 per diluted share, in 2019. Non-GAAP net loss in 2020 was $51.1 million, or ($1.15) per diluted share, compared to non-GAAP net loss of $3.8 million, or ($0.10) per diluted share, in 2019.
The company ended the fourth quarter of 2020 with $413.9 million in cash and cash equivalents, short-term investments and restricted cash.
First Quarter 2021 Revenue Guidance
The company expects the first quarter of 2021 net sales to increase approximately 15% to 20% compared to the first quarter of 2020.
Webcast & Conference Call
The company will host a conference call and simultaneous webcast today at 1:30 p.m. PST (4:30 p.m. EST) to discuss the results and provide additional information about the company’s financial outlook. A link to the webcast is available on the company’s website at http://investors.glaukos.com. To participate in the conference call, please dial 833-231-8262 (U.S.) or 647-689-4107 (international) and enter Conference ID 4167849. A replay of the webcast will be archived on the company’s website following completion of the call.
About Glaukos
Glaukos (www.glaukos.com) is an ophthalmic medical technology and pharmaceutical company focused on novel therapies for the treatment of glaucoma, corneal disorders and retinal diseases. The company pioneered Micro-Invasive Glaucoma Surgery, or MIGS, to revolutionize the traditional glaucoma treatment