Stockholders' Equity (Deficit) | 6. STOCKHOLDERS’ EQUITY (DEFICIT) Common Stock In early April 2014, the Company executed a 10,000 for 1 reverse split. As a result of the reverse split, the Company cancelled and repurchased fractional shares comprising approximately 585,000 shares of common stock for $2.00 per share. Shortly after the reverse split, the Company executed a 1 for 10,000 forward split. As of June 30, 2016, the Company had approximately $219,992 of accrued liabilities associated with the share cancellation. Convertible Preferred Stock The Company has authorized the issuance of 10,000,000 shares of convertible preferred stock with a $0.001 par value. Stock Options In 2004, the Company adopted the 2004 Stock Option and Incentive Plan (the “2004 Plan”) for directors, employees, consultants and other persons acting on behalf of the Company, under which 4,000,000 shares of common stock were authorized for issuance. Options granted under the 2004 Plan vest on the date of grant, over a fixed period of time, or upon the occurrence of certain events and are exercisable for up to ten years. In 2012, the shares authorized for issuance were increased to 6,000,000 shares of common stock. In 2014, the shares authorized for issuance were increased to 7,500,000 shares of common stock. As of June 30, 2016, there were 1,206,799 shares of common stock available for grant under the 2004 Plan. During the year ended June 30, 2016, the Company issued to employees, officers, directors, advisory board and consultants options to purchase 540,000 shares of common stock, which are exercisable at a weighted average price of $1.32 per share. During the year ended June 30, 2015, 870,000 options were exercised at a price of $1.00 per share and 6,667 options were exercised at a price of $1.50 per share. During the year ended June 30, 2015, the Company issued to employees, officers, directors, advisory board and consultants options to purchase 570,000 shares of common stock, which are exercisable at a price of $2.00 per share (the “2015 Options”). The fair value of stock options granted were estimated on their respective grant dates using the Black-Scholes-Merton option pricing model and the following assumptions for the years ended June 30, 2016 and 2015: 2016 2015 Risk free interest rate 1.0% - 1.7 % 0.9% - 1.8 % Expected term 3 - 6 years 3 - 6 years Expected volatility 62.3% - 84.9 % 44.2% - 52.1 % Dividend yield – – Stock compensation expense related to options was $511,000 and $729,000 for the years ended June 30, 2016 and June 30, 2015, respectively. Unrecognized compensation costs related to non-vested stock options was $149,000 as of June 30, 2016. The related cost is expected to be recognized over the remaining weighted-average vesting period of 0.7 years. A summary of the status of the Company’s options granted is as follows: Shares Weighted-Average Exercise Price Average Remaining Contractual Term (Years) Outstanding – June 30, 2014 6,088,078 $ 1.48 6.3 Granted 570,000 $ 2.00 Exercised (876,667 ) $ 1.00 Forfeited or expired (214,584 ) $ 1.74 Outstanding – June 30, 2015 5,566,827 $ 1.53 6.0 Granted 540,000 $ 1.32 Forfeited or expired (690,793 ) $ 1.51 Outstanding – June 30, 2016 5,416,034 $ 1.49 5.5 Exercisable: June 30, 2015 4,774,101 $ 1.52 5.5 June 30, 2016 5,036,448 $ 1.50 5.2 A summary of the status of the Company’s nonvested options and changes are presented below: Shares Weighted-Average Grant-Date Fair Value Nonvested – June 30, 2014 1,448,905 $ 0.67 Granted 570,000 $ 0.59 Forfeited or expired (103,195 ) $ 0.62 Vested (1,122,984 ) $ 0.61 Nonvested – June 30, 2015 792,726 $ 0.71 Granted 540,000 $ 0.77 Vested (817,296 ) $ 0.75 Forfeited or expired (135,844 ) $ 0.79 Nonvested – June 30, 2016 379,586 $ 0.67 The aggregate intrinsic value of vested and exercisable stock options was approximately $0 and $9,839,000 as of June 30, 2016 and 2015, respectively. Warrants From April 2015 through September 2015, the Company entered into one-year service agreements with firms to provide public relations, market awareness, and strategic advisory services. Each agreement called for a monthly cash retainer and shares of common stock. The shares were valued at the most recent market price at the date of each agreement and are amortized over the length of each agreement. In addition, agreements called for warrants to purchase common stock for periods from three to five years at exercise prices of $1.30 to $2.00 per share. The fair value of the warrants were valued using the Black-Scholes Merton option pricing model and are to be amortized over the length of each agreement. As of June 30, 2016, 433,220 shares and 106,667 warrants have been issued. In October 2015, the Company entered into a service agreement with an investor relations firm. The agreement is to conclude during the calendar fourth quarter of 2015 and provides for the issuance of 33,333 shares of common stock. The common stock was valued at the most recent market price at the date of the agreement. 33,333 shares have been issued as of June 30, 2016. The Company has recorded related expense when service was performed. During the year ended December 31, 2013, the Company issued warrants to purchase 500,000 shares of common stock, exercisable for a period of seven years at $1.30 per share, to a member of management subject to satisfaction of certain vesting conditions and are exercisable for up to seven years. 125,000 vested immediately and the balance vest 125,000 each upon certain milestones being met. As of June 30, 2016, vesting milestones have been met for 250,000 additional warrants (125,000 for achieving $3.0 million additional equity, 125,000 upon commercial validation of nano iron in China). 125,000 were forfeited upon the departure of the member in early 2016. The fair value of warrants granted were estimated on their respective grant dates using the Black-Scholes-Merton option pricing model and the following assumptions for the years ended June 30, 2016 and 2015: 2016 2015 Risk free interest rate 0.85% - 1.71 % 1.8 % Expected term 5 years 5 years Expected volatility 57.5% - 76.6 % 44.9 % Dividend yield - – Stock compensation expense related to warrants was $0 and $144,000 for the years ended June 30, 2016 and 2015, respectively. Unrecognized compensation costs related to non-vested warrants was approximately $310,000 as of June 30, 2016. The related cost is expected to be recognized over the remaining weighted-average vesting period of 4.9 years. A summary of the status of all warrants granted is as follows: Shares Weighted-Average Exercise Price Average Remaining Contractual Term (Years) Outstanding – June 30, 2014 12,958,802 $ 1.73 3.8 Granted 321,305 $ 1.60 Forfeited (1,507,480 ) $ 3.97 Outstanding – June 30, 2015 11,772,627 $ 1.44 3.2 Granted 1,735,479 $ 1.34 Forfeited (643,750 ) $ 1.51 Outstanding – June 30, 2016 12,864,356 $ 1.39 2.5 Exercisable: June 30, 2015 8,147,627 $ 1.41 2.9 June 30, 2016 11,853,731 $ 1.49 2.3 A summary of the status of the Company’s nonvested warrants granted in exchange for services or under compensation arrangements is presented below: Shares Weighted-Average Grant-Date Fair Value Nonvested – June 30, 2014 3,968,332 $ 0.71 Granted 321,305 $ 1.07 Forfeited (10,000 ) $ 0.58 Vested (654,637 ) $ 0.56 Nonvested – June 30, 2015 3,625,000 $ 0.72 Granted 1,735,479 $ 0.55 Forfeited (125,000 ) $ 0.62 Vested (4,224,854 ) $ 0.76 Nonvested – June 30, 2016 1,010,625 $ 0.31 The aggregate intrinsic value of vested and exercisable warrants was approximately $0 and $15,740,000 as of June 30, 2016 and 2015, respectively. |