Note 8 - Warrants and Options | a) Warrants See Note 7. The following table summarizes the changes in warrants outstanding of the Company during the nine-month period ended September 30, 2017: Number of Warrants Weighted Average Exercise Price ($) Outstanding at December 31, 2016 2,162,638 2.40 Granted - - Exercised (392,651 ) (2.38 ) Expired (38,307 ) (2.40 ) Outstanding at September 30, 2017 1,731,680 2.36 Exercisable at September 30, 2017 1,606,680 2.35 On February 14, 2017, the Company modified the performance criteria for a vesting milestone on an employee warrant agreement and as a result the Company re-measured warrants held by an employee, to purchase 25,000 shares of common stock at an exercise price of $2.47 per share. These warrants vest on achievement of certain business objectives and expire 3 years from the date of vesting. The Company has calculated the estimated fair market value of these warrants using the Black-Scholes model and the following assumptions: term: 0.5 years, stock price: $4.52, exercise price: $2.47, 55.65% volatility, 0.66% risk free rate. On May 10, 2017, 28,307 warrants expired and on September 5, 2017, 10,000 warrants expired. Effective August 22, 2017, the Company amended the expiry period of 24,000 warrants, originally granted on September 26, 2014. The expiration period was extended from three to four years for all 24,000 warrants, with their new expiration date being September 26, 2018. The Company recalculated the estimated fair market value of these warrants using the Black-Scholes model, but the result was deemed to be immaterially different to the original calculation and the financial statements were not adjusted. Effective August 22, 2017, the Company amended the expiry period of 19,000 warrants, originally granted on November 17, 2014. The expiration period was extended from three to four years for all 19,000 warrants, with their new expiration date being November 17, 2018. The Company recalculated the estimated fair market value of these warrants using the Black-Scholes model, but the result was deemed to be immaterially different to the original calculation and the financial statements were not adjusted. Below is a table summarizing the warrants issued and outstanding as of September 30, 2017, which have a weighted average exercise price of $2.36 per share and an aggregate weighted average remaining contractual life of 1.55 years. Date Issued Number Outstanding Number Exercisable Exercise Price ($) Contractual Life (Years) Weighted Average Remaining Contractual Life (Years) Expiration Date Proceeds to Company if Exercised ($) 03/20/13 125,000 - 2.47 8.0 to 9.0 0.26 06/30/20 to 12/31/21 308,750 03/20/13 25,000 25,000 2.47 7.5 0.06 09/18/20 61,750 06/10/13 29,750 29,750 2.00 5.0 0.01 06/10/18 59,500 11/25/13 456,063 456,063 2.40 5.0 0.30 11/25/18 1,094,551 12/31/13 64,392 64,392 2.40 5.0 0.05 12/31/18 154,541 02/26/14 948,475 948,475 2.20 5.0 0.77 02/26/19 2,086,645 09/26/14 24,000 24,000 3.00 3.0 0.01 09/26/18 72,000 11/17/14 19,000 19,000 3.75 3.0 0.01 11/17/18 71,250 11/14/16 40,000 40,000 4.53 4.0 0.07 11/14/20 181,200 1,731,680 1,606,680 1.55 $ 4,090,187 Total remaining unrecognized compensation cost related to non-vested warrants is approximately $41,324 and is expected to be recognized over a period of 1.3 years. As of September 30, 2017, the total intrinsic value of warrants was $570,291. b) Options The following table summarizes the changes in options outstanding of the Company during the nine-month period ended September 30, 2017: Number of Options Weighted Average Exercise Price ($) Outstanding at December 31, 2016 2,384,300 3.75 Granted 871,000 4.99 Exercised - - Expired (211,000 ) (4.05 ) Outstanding at September 30, 2017 3,044,300 4.08 Exercisable at September 30, 2017 2,173,300 3.72 Effective January 1, 2017, the Company granted stock options to purchase 50,000 shares of common stock. These options vest on January 1, 2018 and expire 5 years after the vesting date, with an exercise price of $4.80 per share. The Company has calculated the estimated fair market value of these options at $157,890, using the Black-Scholes model and the following assumptions: term 6 years, stock price $4.57, exercise price $4.80, 80.70% volatility, 2.26% risk free rate. Effective February 13, 2017, the Company granted stock options to purchase 25,000 shares of common stock. These options vest on February 13, 2018 and expire 5 years after the vesting date, with an exercise price of $5.00 per share. The Company has calculated the estimated fair market value of these options at $76,773, using the Black-Scholes model and the following assumptions: term 6 years, stock price $4.52, exercise price $5.00, 80.17% volatility, 2.24% risk free rate. On March 1, 2017, stock options to purchase 5,000 shares of common stock expired unexercised. On March 30, 2017, the Company granted stock options to purchase 686,000 shares of common stock. These options vest on March 30, 2018 and expire five years after their vesting date, with an exercise price of $5.00 per share. The Company has calculated the estimated fair market value of these options at $1,898,322, using the Black-Scholes model and the following assumptions: term 6 years, stock price $4.18, exercise price $5.00, 79.41% volatility, 2.25% risk free rate. Effective April 10, 2017, the Company granted stock options to purchase 100,000 shares of common stock. These options vest on April 10, 2018 and expire 5 years after the vesting date, with an exercise price of $5.00 per share. The Company has calculated the estimated fair market value of these options at $258,077, using the Black-Scholes model and the following assumptions: term 6 years, stock price $3.96, exercise price $5.00, 79.33% volatility, 2.18% risk free rate. On May 25, 2017, stock options to purchase 101,000 shares of common stock expired unexercised. On May 31, 2017, stock options to purchase 25,000 shares of common stock expired unexercised. Effective July 13, 2017, the Company granted stock options to purchase 10,000 shares of common stock. These options vest on July 13, 2018 and expire 5 years after the vesting date, with an exercise price of $5.00 per share. The Company has calculated the estimated fair market value of these options at $19,068, using the Black-Scholes model and the following assumptions: term 6 years, stock price $3.15, exercise price $5.00, 78.41% volatility, 2.16% risk free rate. Effective August 14, 2017, the Company amended the expiry period of stock options to purchase 37,000 shares of common stock, which options were originally granted on March 20, 2013 and amended on June 27, 2016. The expiration period was extended from four to six years, with the outside expiration date of March 20, 2022, after vesting for all 37,000 stock options. The Company recalculated the estimated fair market value of these options using the Black-Scholes model, but the result was deemed to be immaterially different to the original calculation and the financial statements were not adjusted. Effective August 14, 2017, the Company amended the expiry period of stock options to purchase 16,300 shares of common stock, which options were originally granted on September 2, 2013 and amended on June 27, 2016. The expiration period was extended from four to six years, with the outside expiration date of September 2, 2022, after vesting for all 16,300 stock options. The Company recalculated the estimated fair market value of these options using the Black-Scholes model, but the result was deemed to be immaterially different to the original calculation and the financial statements were not adjusted. On August 31, 2017, stock options to purchase 75,000 shares of common stock expired unexercised. On September 1, 2017, stock options to purchase 5,000 shares of common stock expired unexercised. On September 8, 2017, an amendment to the 2015 Stock Incentive Plan (the 2015 Plan) was approved by stockholders at the annual meeting to increase the number of shares of common stock available for issuance under the 2015 Plan by 750,000 shares to an aggregate maximum of 2,500,000 shares. Below is a table summarizing the options issued and outstanding as of September 30, 2017, all of which were issued pursuant to the 2011 Equity Incentive Plan (for option issuances prior to 2016) or the 2015 Plan (for option issuances commencing in 2016) and which have a weighted average exercise price of $4.08 per share and an aggregate weighted average remaining contractual life of 3.56 years. Date Issued Number Outstanding Number Exercisable Exercise Price ($) Contractual Life (Years) Weighted Average Remaining Contractual Life (Years) Expiration Date Proceeds to Company if Exercised ($) 11/25/11 303,000 303,000 4.00-5.00 6.0-7.0 0.06 11/25/17-11/25/18 1,414,000 09/01/12 10,000 10,000 6.31 6.0 0.00 03/01/18-09/01/18 63,100 03/20/13 37,000 37,000 2.35-4.35 6.5-9.0 0.04 09/20/19-03/20/22 123,950 09/02/13 16,300 16,300 2.35-4.35 6.5-9.0 0.02 03/02/20-09/02/22 54,605 05/16/14 25,000 25,000 3.00-5.00 3.5-6.0 0.01 11/16/17-05/16/20 100,000 08/18/14 645,000 645,000 2.50 and 3.00 4.5 and 5.5 0.40 02/18/19-02/18/20 1,773,750 05/18/15 20,000 20,000 3.80 4.5 0.01 11/18/19 76,000 07/23/15 317,000 317,000 4.00 4.5 0.25 01/23/20 1,268,000 04/15/16 775,000 775,000 4.00 6.0 1.16 04/15/22 3,100,000 06/23/16 15,000 15,000 4.00 6.0 0.02 06/23/22 60,000 11/11/16 10,000 10,000 5.00 6.0 0.02 11/11/22 50,000 01/01/17 50,000 - 4.80 6.0 0.09 01/01/23 240,000 02/13/17 25,000 - 5.00 6.0 0.04 02/13/23 125,000 03/30/17 686,000 - 5.00 6.0 1.24 03/30/23 3,430,000 04/10/17 100,000 - 5.00 6.0 0.18 04/10/23 500,000 07/13/17 10,000 - 5.00 6.00 0.02 07/13/23 50,000 3,044,300 2,173,300 3.56 12,428,405 Total remaining unrecognized compensation cost related to non-vested stock options is approximately $1,160,892 and is expected to be recognized over a period of 1.0 years. As of September 30, 2017, the total intrinsic value of stock options was $46,900. |