Total operating expenses were $29.1 million or 132.1% of net revenues, for the first quarter of 2021, compared with $19.7 million or 155.9% of net revenues, for the first quarter of 2020. The increase was primarily due to higher sales and marketing investments related to media investments, personnel investments to scale the organization for growth, stock-based compensation and expenses related to being a public company.
Sales and marketing expenses were $16.9 million or 76.4% of net revenues, for the first quarter of 2021, compared with $10.9 million or 85.7% of net revenues, for the first quarter of 2020.
Research and development expenses were $4.8 million or 21.7% of net revenues, for the first quarter of 2021, compared with $2.8 million or 22.2% of net revenues, for the first quarter of 2020.
General and administrative expenses were $7.5 million or 34.0% of net revenues for the first quarter of 2021, compared with $6.1 million or 48.0% of net revenues, for the first quarter of 2020.
Excluding stock-based compensation expense, non-GAAP operating expenses were $24.2 million, including research and development expenses of $3.7 million, sales and marketing expenses of $15.0 million, and general and administrative expenses of $5.5 million. Please refer to the section below titled “Use of Non-GAAP Financial Measures” and the non-GAAP reconciliation tables at the end of this press release.
Net loss attributable to common stockholders for the first quarter of 2021 was ($13.6) million, or ($0.36) per share, compared to a net loss of ($11.7) million, or ($43.76) per share, for the first quarter of 2020. Excluding stock-based compensation expense, non-GAAP net loss attributable to common stockholders for the first quarter of 2021 was ($8.5) million, or ($0.22) per share, compared to a non-GAAP net loss of ($11.2) million, or ($41.81) per share for the same period in 2020.
Cash and cash equivalents were $201.6 million as of March 31, 2021, compared to $212.2 million as of December 31, 2020.
Full Year 2021 Financial Guidance
| • | | Increasing net revenue guidance from between $87 million and $93 million to between $89 million and $93 million |
| • | | Reiterating GAAP gross margin guidance of between 68% and 71% |
| • | | Reiterating non-GAAP gross margin of between 70% and 72% |
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