Substantial doubt about the company's ability to continue as a going concern.

“Due to our projected cash needs (which includes amounts that will become due under the Convertible Notes upon their maturity in November 2026) combined with our current liquidity level and history of net losses and cash used to fund operating activities, there is substantial doubt regarding our ability to continue as a going concern for a period of at least one year from the date of issuance of these consolidated financial statements.”