Note 7 - Controlled Equity Offering

In June 2018, the Company entered into a Controlled Equity Offering Sales Agreement with Cantor Fitzgerald & Co. as sales agent. During the quarter ended June 30, 2018, the Company issued 2,186,855 shares of its common stock under the Controlled Equity Offering program for proceeds of $19,304,054, net of commissions and professional fees of $95,805.