On January 25, 2019, the Company entered into an underwriting agreement (the “Underwriting Agreement”) with H.C. Wainwright & Co., LLC (“Wainwright”) with respect to the issuance and sale of an aggregate of 9,333,334 shares (the “Firm Shares”) of the Company’s Common Stock, in an underwritten public offering. Pursuant to the Underwriting Agreement, the Company also granted Wainwright an option, exercisable for 30 days, to purchase an additional 1,400,000 shares of Common Stock. The option expired unexercised. The Firm Shares were offered to the public at a price of $0.75 per Share. Wainwright purchased the Firm Shares from the Company pursuant to the Underwriting Agreement at an effective price of $0.6975 per share.

The Company received net proceeds, after deducting underwriter discounts and commissions and other expenses related to the offering, in the amount of approximately $6.0 million. The Company used the net proceeds from the offering for working capital, capital expenditures, business development and research and development expenditures, and acquisition of new technologies and businesses.