STOCK-BASED COMPENSATION | 11. STOCK-BASED COMPENSATION Stock-based compensation includes grants of stock options and purchase warrants to eligible directors, employees and consultants as determined by the board of directors. Stock option plans 5,371,576 At December 31, 2015, the Company had the following stock option plans available: · 2009 Incentive Plan The terms of the 2009 Incentive Plan, as amended, allow for up to 7,250,000 500,000 110 3,437,500 0.68 3,397,500 3,812,500 · 2009 Directors Plan - The terms of the 2009 Directors Plan, as amended, allow for up to 2,750,000 100 250,000 2,238,877 0.68 2,177,627 511,123 · 2007 Plan - Under the terms of the 2007 Plan, options to purchase up to 4,000,000 85 2,952,047 0.61 2,750,321 1,047,953 As of December 31, 2015, the Company had granted 15,610,714 0.48 Non-Employee Directors Equity Compensation Policy Non-employee directors have a choice between receiving $ 9,000 18,000 Stock warrants Upon approval of the Board of Directors, the Company may grant stock warrants to consultants for services performed. Valuation of awards At December 31, 2015, the Company had options outstanding that vest on two different types of vesting schedules, service-based and performance-based. 2015 2014 Risk-free interest rate 0.24% - 1.76% 0.39% - 1.76% Dividend yield - - Expected volatility 91.23% - 123.12% 98.65% - 118.15% Suboptimal exercise factor 2.00 2.50 Expected life (years) 1.00 - 4.10 2.00 - 4.25 The expected volatility is based on the historical volatility levels on the Company’s common stock. The risk-free interest rate is based on the implied yield available on US Treasury zero-coupon issues over equivalent lives of the options. The expected life of awards represents the weighted-average period the stock options or warrants are expected to remain outstanding and is a derived output of the Binomial Lattice model. The expected life is impacted by all of the underlying assumptions and calibration of the Company’s model. Stock-based compensation activity a) On December 31, 2015, the Company granted stock options under the 2009 Directors Plan for the purchase of 54,000 0.11 December 31, 2020 b) On September 30, 2015, the Company granted stock options under the 2009 Directors Plan for the purchase of 54,000 0.22 September 30, 2020 c) On August 28, 2015, the Company granted stock options for the purchase of 3,804,000 0.50 December 19, 2020 d) On August 28, 2015, the Company granted warrants for the purchase of 2,591,714 0.50 August 28, 2020 e) On June 30, 2015, the Company granted stock options under the 2009 Directors Plan for the purchase of 54,000 0.25 June 30, 2020 f) On March 31, 2015, the Company granted stock options under the 2009 Directors Plan for the purchase of 54,000 0.33 March 31, 2020 g) On March 23, 2015, the Company’s Board of Directors unilaterally determined to amend 659,890 0.83 31,544 During the year ended December 31, 2014, the Company granted stock-based awards as follows: a) On December 31, 2014, the Company granted stock options under the 2009 Directors Plan for the purchase of 54,000 0.30 December 31, 2019 b) On December 23, 2014, the Company granted stock options for the purchase of 4,099,000 0.50 December 23, 2019 c) On December 18, 2014, the Company granted stock options for the purchase of 7,965,000 0.41 4,734,000 December 18, 2019 d) On December 18, 2014, the Company granted stock options for the purchase of 225,000 0.41 December 18, 2019 e) On December 18, 2014, the Company granted stock warrants for the purchase of 200,000 0.41 December 18, 2019 f) On November 19, 2014, the Company granted stock warrants for the purchase of 975,000 0.30 November 19, 2019 g) On September 30, 2014, the Company granted stock options under the 2009 Directors Plan for the purchase of 54,000 0.22 September 30, 2019 h) On June 30, 2014, the Company granted stock options under the 2009 Directors Plan for the purchase of 54,000 0.24 June 30, 2019 i) On March 31, 2014, the Company granted stock options under the 2009 Directors Plan for the purchase of 54,000 0.26 March 31, 2019 j) On January 13, 2014, the Company extended the expiration date of 200,000 5,011 Expenses related to the vesting, modifying and granting of stock-based compensation awards were $ 878,866 2,229,233 Weighted Weighted Average Average Remaining Grant Weighted Contractual Aggregate Number of Date Fair Average Life Intrinsic Shares Value Exercise Price (Years) Value Outstanding, December 31, 2013 3,800,331 $ 0.56 $ 1.01 3.76 Options/warrants granted 13,680,000 0.16 0.43 4.96 Options/warrants expired (92,586) 0.76 1.42 Options/warrants exercised - - - - Outstanding, December 31, 2014 17,387,745 0.24 0.55 4.53 Options/warrants granted 6,611,714 0.13 0.49 4.84 Options/warrants expired (63,297) 0.25 0.76 - Options/warrants exercised - - - - Outstanding, December 31, 2015 23,936,162 $ 0.21 $ 0.53 3.88 $ - Exercisable, December 31, 2015 23,636,162 $ 0.20 $ 0.52 3.89 $ - Aggregate intrinsic value represents the value of the Company’s closing stock price on the last trading day of the year ended December 31, 2015 in excess of the weighted-average exercise price multiplied by the number of options outstanding or exercisable. Unvested awards - Weighted Number of Average Shares Subject Grant Date to Vesting Fair Value Unvested, December 31, 2014 350,000 $ 0.93 Options/warrants granted 3,804,000 0.13 Options/warrants vested (3,854,000) 0.13 Unvested, December 31, 2015 300,000 $ 0.99 For the years ended December 31, 2015 and 2014, the total grant fair value of shares vested was $ 515,152 102,439 3,475 0.92 250,000 |