Note 17. Subsequent Events

Subsequent to December 31, 2023, 372 shares of Series A Convertible Preferred Stock and dividend payable of $27,374 were converted into 106,748 shares of Class A common stock.

Subsequent to December 31, 2023, 418,724 warrants were exercised into shares of Class A common stock. Gross proceeds from the exercise of the warrants was $1,631,524.

On January 29, 2024, the Company entered into a public offering of an aggregate of 1,181,900 shares of Class A Common Stock and pre-funded warrants to purchase up to an aggregate of 69,900 shares of Class A Common Stock in lieu of Shares, which have been sold pursuant to that certain Underwriting Agreement, dated January 29, 2024, by and between the Company and the Representative of the Underwriters. Gross proceeds from the offering were $5,632,650 and net proceeds after underwriter discount, various fees and expenses was $5,008,259.

On February 29, 2024, the Company entered into a public offering of an aggregate of 1,321,000 shares (the “Shares”) of Class A Common Stock, which have been sold pursuant to that certain Underwriting Agreement, dated February 29, 2024, by and between the Company and the Representative of the Underwriters. Gross proceeds from the offering were $7,926,000 and net proceeds after underwriter discount, various fees and expenses was $7,102,527.