NOTE 13 – SUBSEQUENT EVENTS.

Issuance of common stock upon exercise of warrants

In January 2021, warrants to purchase 225,878 shares of common stock were exercised, and the Company received net proceeds of $707 upon such exercise. Also, in January 2021, warrants to purchase 120,000 shares of common stock were exercised under a cashless transaction resulting in the issuance of 61,644 shares of the Company’s common stock.

Underwritten Offering of Common Stock

On February 7, 2021, the Company entered into an underwriting agreement with ThinkEquity, a division of Fordham Financial Management, Inc., pursuant to which the Company agreed to sell to ThinkEquity an aggregate of 750,000 shares of the Company’s common stock, $0.0001 par value per share (the “Shares”), in a firm commitment underwritten public offering. All of the Shares were sold by the Company to the Underwriter on February 10, 2021, and the Company received at the closing of the offering net proceeds of approximately $12.5 million from the sale of the Shares after deducting underwriting discounts and commissions and other offering expenses payable by the Company. The Company expects to use the net proceeds from the Offering for general corporate purposes.