Note 15. Subsequent Events

On April 20, 2023, the Company sold an aggregate of 8,572,018 shares of our Class A Common Stock and pre-funded warrants to purchase up to an aggregate 21,731,012 shares of Class A Common Stock and warrants to purchase up to 30,303,030 shares of Class A Common Stock. In addition, the Company sold 3,787,874 shares of Class A Common Stock and 3,787,874 of accompanying warrants to purchase shares of Class A Common Stock pursuant to the partial exercise of the underwriter’s over-allotment option. 2.7 million of pre-funded warrants were exercised as of May 12, 2023, and the total number of Class A Common Shares issued in this offering was 15,059,892. The purchase price for each share of Class A Common Stock and accompanying warrant was $0.33. Warrants equal to 3% of the number of securities issued by the Company in the offering at an exercise price of 125% of the offering price per share was issued to the underwriter. Gross proceeds from the offering were approximately $11.2 million, and net proceeds of approximately $10.2 million after underwriting discounts and commissions and estimated offering expenses payable by us.