Note 11 – Subsequent Events

On March 19, 2019, the Company closed an underwritten public offering of its common stock. This offering was made pursuant to an underwriting agreement between the Company and BTIG, LLC. The offering resulted in the sale of 27,272,727 shares to the public at a price of $1.10 per share. The Company generated gross proceeds of $30.5 million. Net proceeds after deducting underwriting discounts and commissions and other estimated offering expenses are expected to be approximately $28.2 million. In addition, the Company granted the underwriters a 30-day option (the “option”) to purchase up to an additional 4,090,909 shares of common stock subject to the same terms and conditions. If the underwriters exercise the option in full, additional net proceeds of approximately $4.2 million will be generated. On March 28, 2019, an additional 2,199,259 shares were sold pursuant to the option at a price of $1.10 per share, resulting in net proceeds to the Company of approximately $2.3 million.