Management has evaluated all subsequent events to determine if events or transactions occurring through the date the condensed consolidated financial statements were issued, require adjustment to or disclosure in the accompanying condensed consolidated financial statements.

Warrants

On July 23, 2019, pursuant to agreements with certain warrant holders, the Company canceled warrants for the purchase of 364,639 shares of common stock, with exercise prices between $2.00 and $2.50 per share, which includes warrants for the purchase of 151,383 shares of common stock held by the Company’s President and CEO.

Stock Options

On July 8, 2019, the Company granted options for the purchase of 3,139,890 shares of common stock at an exercise price of $0.385 per share to certain employees and consultants under the 2018 Stock Option Plan, which includes options for the purchase of 2,209,890 common shares granted to the Company’s President and CEO, options for the purchase of 155,000 common shares granted to the Company’s CFO, and options for the purchase of 150,000 shares granted to a member of the Company’s board of directors. The options vest 25% on the first anniversary of the date of grant with the remainder vesting quarterly over the next three years.

On August 5, 2019, GGI granted options for the purchase of 100,000 shares of common stock of GGI at an exercise price of $0.55 per share to an advisor under GGI’s 2018 Stock Option Plan. The options vest 25% on the first anniversary of the date of grant with the remainder vesting quarterly over the next three years.

Sale of Common Stock

Between July 1, 2019 and August 1, 2019, the Company sold 1,571,429 shares of its common stock to accredited investors for total gross proceeds of $550,000.

Foreign Currency Exchange Rates

The Argentine peso to United States dollar exchange rate was 54.8307, 42.5150 and 37.5690 at August 18, 2019, June 30, 2019 and December 31, 2018, respectively.

The British pound to United States dollar exchange rate was 0.8227, 0.7878 and 0.7851 at August 18, 2019, June 30, 2019 and December 31, 2018, respectively.