Note 8 - Warrants and Options | a) Warrants See Note 7. The following table summarizes the changes in warrants outstanding of the Company during the six month period ended June 30, 2017: Number of Warrants Weighted Average Exercise Price ($) Outstanding at December 31, 2016 2,162,638 2.40 Granted - - Exercised (342,651 ) (2.57 ) Expired (28,307 ) (2.60 ) Outstanding at June 30, 2017 1,791,680 2.36 Exercisable at June 30, 2017 1,641,680 2.35 On February 14, 2017, the Company modified the performance criteria for a vesting milestone on an employee warrant agreement, 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 Option Pricing 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. Below is a table summarizing the warrants issued and outstanding as of June 30, 2017, which have a weighted average exercise price of $2.36 per share and an aggregate weighted average remaining contractual life of 1.71 years. Date Issued Number Outstanding Number Exercisable Exercise Price ($) Contractual Life (Years) Weighted Average Remaining Contractual Life (Years) Expiration Date Proceeds to Company if Exercised ($) 03/20/13 150,000 - 2.47 4.0 to 6.0 0.28 06/30/20 to 12/31/21 370,500 06/10/13 29,750 29,750 2.00 5.0 0.02 06/10/18 59,500 08/07/13 45,000 45,000 2.40 4.0 0.01 08/07/17 108,000 11/25/13 456,063 456,063 2.40 5.0 0.36 11/25/18 1,094,551 12/31/13 64,392 64,392 2.40 5.0 0.05 12/31/18 154,541 02/26/14 953,475 953,475 2.20 5.0 0.88 02/26/19 2,097,645 09/05/14 10,000 10,000 2.40 3.0 0.01 09/05/17 24,000 09/26/14 24,000 24,000 3.00 3.0 0.01 09/26/17 72,000 11/17/14 19,000 19,000 3.75 3.0 0.01 11/17/17 71,250 11/14/16 40,000 40,000 4.53 4.0 0.08 11/14/20 181,200 1,791,680 1,641,680 1.71 4,233,187 Total remaining unrecognized compensation cost related to non-vested warrants is approximately $48,891 and is expected to be recognized over a period of 2.0 years. As of June 30, 2017, the total intrinsic value of warrants was $2,152,950. b) Options The following table summarizes the changes in options outstanding of the Company during the six month period ended June 30, 2017: Number of Options Weighted Average Exercise Price ($) Outstanding at December 31, 2016 2,384,300 3.75 Granted 861,000 4.99 Exercised - - Expired (131,000 ) (4.17 ) Outstanding at June 30, 2017 3,114,300 4.07 Exercisable at June 30, 2017 2,253,300 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 Option Pricing 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 Option Pricing 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 Option Pricing 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 Option Pricing 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. Below is a table summarizing the options issued and outstanding as of June 30, 2017, 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 a weighted average exercise price of $4.07 per share and an aggregate weighted average remaining contractual life of 3.75 years. Date Issued Number Outstanding Number Exercisable Exercise Price ($) 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 0.09 11/25/17-11/25/18 1,414,000 09/01/12 15,000 15,000 5.31-6.31 5.0-6.0 0.00 09/01/17-09/01/18 89,650 03/20/13 37,000 37,000 2.35-4.35 4.5-7.0 0.02 09/20/17-03/20/20 123,950 09/02/13 16,300 16,300 2.35-4.35 4.5-7.0 0.01 03/02/18-09/02/20 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 0.44 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 0.26 01/23/20 1,268,000 08/17/15 75,000 75,000 3.75 5.0 0.08 08/17/20 281,250 04/15/16 775,000 775,000 4.00 6.0 1.19 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 0.05 02/13/23 125,000 03/30/17 686,000 - 5.00 6.0 1.27 03/30/23 3,430,000 04/10/17 100,000 - 5.00 6.0 0.19 04/10/23 500,000 3,114,300 2,253,300 3.75 12,686,205 Total remaining unrecognized compensation cost related to non-vested stock options is approximately $1,748,629 and is expected to be recognized over a period of 1.0 years. As of June 30, 2017, the total intrinsic value of stock options was $538,568. |