Quarterly report pursuant to Section 13 or 15(d)

Common Stock

Common Stock	6 Months Ended
Jun. 30, 2020
Equity [Abstract]
Common Stock	5. Common Stock As of June 30, 2020, the Company has authorized 100,000,000 shares of common stock, $0.001 par value per share. The Company had 52,140,699 and 35,150,058 shares issued and outstanding as of June 30, 2020 and December 31, 2019, respectively. The holders of common stock are entitled to one vote for each share of common stock held. On January 29, 2020, the Company entered into a securities purchase agreement with certain institutional investors, pursuant to which the Company agreed to sell and issue, in a registered direct offering, 3,492,063 shares of common stock at a purchase price per share of $0.63 for aggregate net proceeds to the Company of approximately $1.5 million, after deducting fees payable to the placement agent and other estimated offering expenses payable by the Company. The Company closed the offering on January 31, 2020. On February 27, 2020, the Company entered into a securities purchase agreement with certain institutional investors, pursuant to which the Company agreed to sell and issue, in a registered direct offering, 8,461,540 shares of common stock at a purchase price per share of $1.30 for aggregate net proceeds to the Company of approximately $10.1 million, after deducting fees payable to the placement agent and other estimated offering expenses payable by the Company. The Company closed the offering on February 28, 2020. On March 9, 2020, the Company entered into a securities purchase agreement with certain institutional investors, pursuant to which the Company agreed to sell and issue, in a registered direct offering, 5,037,038 shares of common stock at a purchase price per share of $1.35 for aggregate net proceeds to the Company of approximately $5.0 million, after deducting fees payable to the placement agent, lock-up settlement fee and other estimated offering expenses payable by the Company. The Company closed the offering on March 10, 2020. On June 2, 2020, the Company provided written notice to A.G.P./Alliance Global Partners (“AGP”) of its election to terminate the Amended and Restated Equity Distribution Agreement, dated October 30, 2019, by and between the Company and AGP, as amended on January 29, 2020 (the “AGP Agreement”). The termination of the AGP Agreement was effective June 3, 2020.

Common Stock

6 Months Ended

Jun. 30, 2020

5. Common Stock

As of June 30, 2020, the Company has authorized 100,000,000 shares of common stock, $0.001 par value per share. The Company had 52,140,699 and 35,150,058 shares issued and outstanding as of June 30, 2020 and December 31, 2019, respectively.

The holders of common stock are entitled to one vote for each share of common stock held.

On January 29, 2020, the Company entered into a securities purchase agreement with certain institutional investors, pursuant to which the Company agreed to sell and issue, in a registered direct offering, 3,492,063 shares of common stock at a purchase price per share of $0.63 for aggregate net proceeds to the Company of approximately $1.5 million, after deducting fees payable to the placement agent and other estimated offering expenses payable by the Company. The Company closed the offering on January 31, 2020.

On February 27, 2020, the Company entered into a securities purchase agreement with certain institutional investors, pursuant to which the Company agreed to sell and issue, in a registered direct offering, 8,461,540 shares of common stock at a purchase price per share of $1.30 for aggregate net proceeds to the Company of approximately $10.1 million, after deducting fees payable to the placement agent and other estimated offering expenses payable by the Company. The Company closed the offering on February 28, 2020.

On March 9, 2020, the Company entered into a securities purchase agreement with certain institutional investors, pursuant to which the Company agreed to sell and issue, in a registered direct offering, 5,037,038 shares of common stock at a purchase price per share of $1.35 for aggregate net proceeds to the Company of approximately $5.0 million, after deducting fees payable to the placement agent, lock-up settlement fee and other estimated offering expenses payable by the Company. The Company closed the offering on March 10, 2020.

On June 2, 2020, the Company provided written notice to A.G.P./Alliance Global Partners (“AGP”) of its election to terminate the Amended and Restated Equity Distribution Agreement, dated October 30, 2019, by and between the Company and AGP, as amended on January 29, 2020 (the “AGP Agreement”). The termination of the AGP Agreement was effective June 3, 2020.