What is the annual revenue of Newsela?

Could you please elaborate on the financial performance of Newsela? Specifically, I'm curious to know what their annual revenue is, and if there have been any notable trends or fluctuations in their earnings over the past few years. Additionally, it would be interesting to learn about their primary revenue streams and how they generate income through their platform. Is there any publicly available information or reports that could provide more insight into Newsela's financial health and growth potential?