a)            Warrants

The following table summarizes the changes in warrants outstanding of the Company during the nine-month period ended September 30, 2020:

Effective February 26, 2020, the vesting criteria of the remaining installment of a warrant originally granted March 20, 2013 to an officer of the Company, and previously amended, was deemed met pursuant to the approval of the Compensation Committee, resulting in the vesting of the Warrant as to 125,000 shares effective February 26, 2020, with an expiration date of February 26, 2023.

Effective March 1, 2020, the Company granted warrants to purchase 50,000 shares of common stock to a Company employee for services to the Company. These warrants vest on September 1, 2021 (subject to continued employment through such date) and expire on March 1, 2026, with an exercise price of $3.45 per share. The Company has calculated the estimated fair market value of these warrants at $86,771, using the Black-Scholes model and the following assumptions: term 3.75 years, stock price $3.44, exercise price $3.45, 69.03% volatility, 0.95% risk free rate, and no forfeiture rate.

Below is a table summarizing the warrants issued and outstanding as of September 30, 2020, which have an aggregate weighted average remaining contractual life of 2.68 years.

Stock-based compensation expense related to warrants of $56,127 and $6,379 was recorded in the nine months ended September 30, 2020 and September 30, 2019, respectively. Total remaining unrecognized compensation cost related to non-vested warrants is $53,105 and is expected to be recognized over a period of 0.92 years. As of September 30, 2020, the total intrinsic value of warrants outstanding was $92,500.

b)            Options

The following table summarizes the changes in options outstanding of the Company during the nine-month period ended September 30, 2020:

Effective April 13, 2020, the Company granted stock options to purchase 835,000 shares of common stock to various Company personnel (including directors, executives, members of management and employees) in exchange for services provided to the Company. These options vest on April 13, 2021 and expire 5 years after the vesting date, with an exercise price of $3.60 per share. The Company has calculated the estimated fair market value of these options at $1,481,709, using the Black-Scholes model and the following assumptions: term 3.5 years, stock price $3.52, exercise price $3.60, 72.94% volatility, 0.54% risk free rate, and no forfeiture rate.

Below is a table summarizing the options issued and outstanding as of September 30, 2020, all of which were issued pursuant to the 2011 Equity Incentive Plan (for option issuances prior to 2016) or the 2015 Stock Incentive Plan (for option issuances commencing in 2016)and which have an aggregate weighted average remaining contractual life of 3.23 years. As of September 30, 2020, an aggregate of 4,250,000 shares of common stock were authorized for issuance under the 2015 Stock Incentive Plan, of which 261,867 shares of common stock remainedavailable for future issuance thereunder.

Stock-based compensation expense related to stock options of $861,312 and $1,084,312 was recorded in the nine months ended September 30, 2020 and September 30, 2019, respectively. Total remaining unrecognized compensation cost related to non-vested stock options is $791,598. As of September 30, 2020, the total intrinsic value of stock options outstanding was $nil.

c)             Restricted Stock Units (RSUs)

Below is a table summarizing the RSUs issued and outstanding as of September 30, 2020, all of which were issued pursuant to the 2015 Stock Incentive Plan.

Effective April 13, 2020, the Company granted RSUs of 52,500 shares of common stock to various Company personnel (including a director and an employee) in exchange for services provided to the Company. These RSUs vest over 2 years, with 50% vesting on each of April 13, 2021 and April 13, 2022 and will result in total compensation expense of $184,800.

Below is a table summarizing the RSUs issued and outstanding as of September 30, 2020 and which have an aggregate weighted average remaining contractual life of 1.03 years.

Stock-based compensation expense related to RSUs of $64,553 and $nil was recorded in the nine months ended September 30, 2020 and September 30, 2019, respectively. Total remaining unrecognized compensation cost related to non-vested RSUs is $120,246. As of September 30, 2020, the total intrinsic value of the RSUs outstanding was $nil.