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Stock Based Compensation
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Jun. 30, 2014
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| Disclosure of Compensation Related Costs, Share-based Payments [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Disclosure of Compensation Related Costs, Share-based Payments [Text Block] |
Note 9 – Stock Based Compensation
Equity Incentive Plans
2013 Equity Incentive Plan
In December 2013 the Company’s board and stockholders approved the “2013 Equity Incentive Plan”, providing for the issuance of equity based instruments covering up to an initial total of 1,042,167 shares of common stock. Effective on March 27, 2014, the aggregate total shares which may be issued under the 2013 Equity Incentive Plan were increased to 2,335,967, as described below. Effective on March 10, 2014, the Company’s board of directors and stockholders approved the First Amendment to the 2013 Equity Incentive Plan which provided for an increase in the aggregate number of shares of common stock that may be issued pursuant to the Plan to equal 18% of the total number of shares of common stock outstanding immediately following the completion of the IPO (assuming for this purpose) the issuance of all shares issuable under the Company’s equity plans, the conversion into common stock of all outstanding securities that are convertible by their terms into common stock and the exercise of all options and warrants exercisable for shares of common stock and including shares and warrants issued to the underwriters for such IPO upon exercise of its over-allotment options. 2014 Non-Employee Equity Compensation Plan On March 6, 2014, the Company’s board of directors and stockholders approved the 2014 Non-Employee Equity Compensation Plan for the issuance of equity based instruments covering up to 250,000 shares of common stock to directors and other non-employees. Option Valuation
The Company has computed the fair value of options granted using the Black-Scholes option pricing model. Option forfeitures are estimated at the time of valuation and reduce expense ratably over the vesting period. This estimate will be adjusted periodically based on the extent to which actual option forfeitures differ, or are expected to differ, from the previous estimate, when it is material. The expected term used for options issued to non-employees is the contractual life and the expected term used for options issued to employees is the estimated period of time that options granted are expected to be outstanding. The Company utilizes the “simplified” method to develop an estimate of the expected term of “plain vanilla” employee option grants. Since the Company’s stock has not been publicly traded for a sufficiently long period of time, the Company is utilizing an expected volatility figure based on a review of the historical volatilities, over a period of time, equivalent to the expected life of the instrument being valued, of similarly positioned public companies within its industry. The risk-free interest rate was determined from the implied yields from U.S. Treasury zero-coupon bonds with a remaining term consistent with the expected term of the instrument being valued. Stock Options
On January 7, 2014, the Company’s board of directors granted to various employees and consultants from the 2013 Equity Incentive Plan, net of forfeitures through March 31, 2014, stock options to purchase an aggregate of 457,644 shares of the Company’s common stock at an exercise price of $2.49 per share and have a term of ten years. Included in these grants were 57,644 options to Michael Leabman, Chief Technical Officer pursuant to his employment contract, 80,201 options to George Holmes, Vice President of Sales and Marketing and 319,799 options to other employees and consultants. The option awards granted to Mr. Leabman vested 3/48ths on the date of grant, and will vest 1/48th monthly over the following 45 months. The option award granted to Mr. Holmes will cliff vest 25% of the award on October 1, 2014 and then will vest 1/48th of the initial award monthly for the following 36 months. Option awards granted to all other employees and consultants cliff vest 25% of the award on the later of the first anniversary of the date they started working for the Company or October 1, 2014 and then will vest 1/48th of the initial award monthly for the following 36 months. The options had an aggregate grant date fair value of $762,699 utilizing the Black-Scholes option pricing model. On February 27, 2014, the Company granted non-qualified stock options for the purchase of 25,979 shares of the Company’s common stock each to two new independent directors of the Company as part of their compensation for serving on the Company’s board of directors. The options have an exercise price of $3.63 per share and have a term of ten years. The Options vest 25% on March 31, 2014, June 30, 2014, September 30, 2014 and December 31, 2014. The options had an aggregate grant date fair value of $100,000 utilizing the Black-Scholes option pricing model. On March 15, 2014 and March 20, 2014, the Company granted non-qualified stock options from the 2014 Non-Employee Equity Compensation Plan for the purchase of an aggregate of 34,781 shares of the Company’s common stock to two new independent directors of the Company as part of their compensation for serving on the Company’s board of directors. The options have a weighted average exercise price of $5.45 per share and have a term of ten years. The Options vest 25% on March 31, 2014, June 30, 2014, September 30, 2014 and December 31, 2014. The options had an aggregate grant date fair value of $100,000 utilizing the Black-Scholes option pricing model. On March 15, 2014, the Company’s board of directors granted to a single employee an option under the 2013 Equity Incentive Plan to purchase 80,201 shares of the Company’s common stock at an exercise price of $4.99. The option award granted to the employee has a ten year term and cliff vests 25% of the award on the anniversary of the employee’s date of hire and then will vest 1/48th of the initial award monthly during the following 36 months. The option had a grant date fair value of $229,365 utilizing the Black-Scholes option pricing model. On March 26, 2014, the Company’s board of directors granted to Mr. Rizzone, the Company’s Chief Executive Officer, an option under the 2013 Equity Incentive Plan to purchase 496,546 shares of the Company’s common stock, at a price of $6.00 per share, with a term of ten years and which vests 6/48 of the award on the grant date and 1/48 of the award on the last day of each of the subsequent 42 months. The option had a grant date fair value of $1,667,784 utilizing the Black-Scholes option pricing model. On March 26, 2014, the Company’s board of directors granted to Michael Leabman, Chief Technical Officer pursuant to his employment contract a stock option under the 2013 Equity Incentive Plan to purchase 251,474 shares of the Company’s common stock at an exercise price of $6.00. The option award granted to Mr. Leabman has a ten year term and vests 6/48th of the award on the grant date and 1/48th of the award on the last day of each of the subsequent 42 months. The option had a grant date fair value of $844,643 utilizing the Black-Scholes option pricing model. On March 26, 2014, the Company’s board of directors granted to Mr. Holmes a stock option under the 2013 Equity Incentive Plan to purchase 89,672 shares of the Company’s common stock at an exercise price of $6.00. The option award granted to the consultant has a ten year term and vests 25% of the award on September 30, 2014 and 1/48th of the award on the last day of each of the subsequent 36 months. The option had a grant date fair value of $303,869 utilizing the Black-Scholes option pricing model. The Company estimated the fair value of stock options awarded during the six months ended June 30, 2014 using the Black-Scholes option pricing model. The fair values of stock options granted were estimated using the following assumptions:
As of June 30, 2014, the unamortized value of options held by employees was $3,391,390. As of June 30, 2014, the unamortized portion will be expensed over a weighted average period of 3.21 years. Stock Option Award Activity
The following is a summary of the Company’s stock option activity during the six months ended June 30, 2014:
The following table presents information related to stock options outstanding and exercisable at June 30, 2014:
Restricted Stock Units (“RSUs) On June 3, 2014, the compensation committee of the board of directors of the Company granted to a member of the Company’s advisory board, an RSU award under which the holder has the right to receive 4,035 shares of common stock. The award was granted under the 2014 Non-Employee Equity Compensation Plan. The RSU had a grant date fair value of $49,590 based upon the fair value of the Company’s common stock on the date of grant. This RSU vested 504 shares on June 30, 2014 and vests 504 shares on each of the seven succeeding three month anniversaries of the grant date. The Company accounts for RSUs granted to consultants using the accounting guidance included in ASC 505-50 “Equity-Based Payments to Non-Employees” (“ASC 505-50”). In accordance with ASC 505-50, the Company estimates the fair value of the unvested portion of the RSU award each reporting period using the closing price of the Company’s common stock. At June 30, 2014, the unamortized value of the RSU was $53,383. The unamortized amount will be expensed over a period of 1.75 years.
A summary of the activity related to RSUs for the six months ended June 30, 2014 is presented below:
Stock-Based Compensation Expense
The following tables summarize total stock based compensation costs recognized for the three and six months ended June 30, 2014 and 2013.
The total amount of stock-based compensation was reflected within the condensed statements of operations as:
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