14. SUBSEQUENT EVENTS

In January and February 2021, the Company received proceeds of $1,213,924 upon the exercise of 1,005,320 Series H warrants.

In February 2021, a holder of 215 shares of our Series C Preferred Stock converted them into 537,500 shares of Common Stock at a conversion rate of 1 to 2,500 shares.

Special Meeting of Stockholders

At a special meeting of stockholders held on February 25, 2021, the Company’s stockholders approved the amendment of the Company’s Second Amended and Restated Certificate of Incorporation, as amended, to increase the authorized common stock from 80,000,000 shares to 160,000,000 shares. In addition, the stockholders approved, in accordance with Nasdaq Listing Rule 5635(d), the issuance of shares of the Company’s common stock upon the conversion of the Series D Preferred Stock issued in a private placement on December 28, 2020. In February 2021, 351.8515 shares of our Series D Preferred Stock were converted into 3,518,515 shares of Common Stock at a conversion rate of 1 to 10,000 shares.