Disclosure of Compensation Related Costs, Share-based Payments [Text Block] | Note 8 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 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). Effective March 27, 2014, the aggregate total shares which may be issued under the 2013 Equity Incentive Plan were increased to 2,335,967 Effective on May 19, 2016, the Company’s stockholders approved the amendment and restatement of the 2013 Equity Incentive Plan to increase the number of shares reserved for issuance thereunder by 2,150,000 4,485,967 As of December 31, 2016, 1,562,832 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 Effective on May 19, 2016, the Company’s stockholders approved the amendment and restatement of the 2014 Equity Incentive Plan to increase the number of shares reserved for issuance thereunder by 350,000 600,000 As of December 31, 2016, 349,899 2015 Performance Share Unit Plan On April 10, 2015, the Company’s board of directors approved the Energous Corporation 2015 Performance Share Unit Plan (the “Performance Share Plan”), under which 1,310,104 As of December 31, 2016, 31,951 Employee Stock Purchase Plan On April 10, 2015, the Company’s board of directors approved the ESPP, under which 600,000 As of December 31, 2016, 468,621 727,784 85,356 Stock Option Award Activity Weighted Weighted Average Average Remaining Number of Exercise Life In Intrinsic Options Price Years Value Outstanding at January 1, 2016 1,487,785 $ 4.34 8.0 $ 5,310,340 Granted - - - - Exercised (130,354) 2.93 - - Forfeited (47,987) 2.49 - - Outstanding at December 31, 2016 1,309,444 $ 4.55 7.1 $ 16,107,929 Exercisable at December 31, 2016 1,057,187 $ 4.55 7.1 $ 12,998,601 As of December 31, 2016, the unamortized value of options was $ 638,910 0.8 The aggregate intrinsic value of options exercised was $ 984,144 92,728 0 No options were granted during the years ended December 31, 2016 and 2015. The weighted average grant date fair value per share of options granted during the year ended December 31, 2014 was $ 2.60 Restricted Stock Units (“RSUs”) On January 4, 2016, the compensation committee of the board of directors granted to various directors, RSUs under which the holders have the right to receive an aggregate of 26,916 On January 4, 2016, the compensation committee of the board of directors granted to John Gaulding, director and chairman of the board, RSUs under the 2014 Non-Employee Equity Compensation Plan for which Mr. Gaulding has the right to receive 25,000 On February 25, 2016, the compensation committee of the board of directors granted certain employees inducement RSU awards under which the holders have the right to receive an aggregate 38,000 On March 4, 2016, the compensation committee of the board of directors granted an employee inducement RSU awards under which the holder has the right to receive an aggregate of 12,500 On May 19, 2016, the compensation committee of the board of directors granted certain employees inducement RSU awards under which the holders have the right to receive an aggregate of 126,000 On May 19, 2016, the compensation committee of the board of directors granted a consultant an RSU award under the 2013 Equity Incentive Plan for which the holder has the right to receive an aggregate of 3,250 On June 10, 2016, the board of directors granted non-employee directors RSU awards under the 2014 Non-Employee Equity Compensation Plan under which the holders have the right to receive an aggregate of 70,040 On October 24, 2016, the board of directors granted Stephen Rizzone, the Company’s President, Chief Executive Officer and Director an RSU award under the 2013 Equity Incentive Plan under which Mr. Rizzone has the right to receive 150,000 On October 24, 2016, the compensation committee of the board of directors approved an RSU award for Brian Sereda, Chief Financial Officer, covering a total of 45,000 On October 24, 2016, the compensation committee of the board of directors granted certain employees inducement RSU awards under which the holders have the right to receive an aggregate of 95,000 On October 24, 2016, the compensation committee of the board of directors granted various employees RSU awards under which the holders have the right to receive an aggregate of 331,950 On October 24, 2016, the compensation committee of the board of directors granted Cesar Johnston, Senior Vice President of Engineering, an RSU award under which Mr. Johnston has the right to receive 85,000 three On October 24, 2016, the compensation committee of the board of directors granted Michael Leabman, Founder, Chief Technology Officer and Director, an RSU award under which Mr. Leabman has the right to receive 100,000 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 December 31, 2016, the unamortized value of the RSUs was $ 20,635,176 3.1 Weighted Average Grant Total Date Fair Value Outstanding at January 1, 2016 1,560,996 $ 8.83 RSUs granted 1,110,156 $ 14.18 RSUs forfeited (107,529) $ 9.62 RSUs vested (511,400) $ 9.16 Outstanding at December 31, 2016 2,052,223 $ 11.58 Performance Share Units (“PSUs”) Performance share units (“PSUs”) are grants that vest upon the achievement of certain performance goals. The goals are commonly related to the Company’s market capitalization or market share price of the common stock. The PSUs originally issued during 2015 to certain board members and senior management shall be earned based on the Company’s achievement of market capitalization growth between the effective date of the Employment Agreement and the end of the Initial Employment Period. If the Company’s market capitalization is $ 100 1.1 100 On March 4, 2016, the compensation committee of the board of directors granted an executive inducement PSUs under which the executive is eligible to receive 63,908 The Company determined that the PSUs were equity awards with both market and service conditions. The Company utilized a Monte Carlo simulation to determine the fair value of the market condition, as described below. Performance Share Performance Share Units (PSUs) Granted Units (PSUs) Granted During the Year Ended During the Year Ended December 31, 2016 December 31, 2015 Market capitalization $ 102,600,000 $ 106,270,000 Dividend yield 0 % 0 % Expected volatility 75 % 60 % Risk-free interest rate 1.04 % 0.95 % The fair value of the grants of PSUs to purchase a total of 1,342,061 1,278,153 63,908 3,218,000 On October 24, 2016, the compensation committee of the board of directors granted Mr. Rizzone a PSU award under the 2013 Equity Incentive Plan under which Mr. Rizzone has the right to receive 150,000 For the PSU award grant issued to Stephen Rizzone, Chief Executive Officer, a Monte Carlo simulation was used to determine the fair value at each of the five target prices of the Company’s common stock, using a market capitalization of $ 298,857,000 0 75 0.66 The fair value of the PSUs granted to Mr. Rizzone under the 2013 Equity Incentive Plan was determined to be $ 2,332,000 Amortization for all PSU awards was $ 2,285,683 489,239 At December 31, 2016, the unamortized value of all PSUs was approximately $ 2,774,507 1.16 Weighted Average Grant Total Date Fair Value Outstanding at January 1, 2016 1,135,614 $ 2.62 PSUs granted 213,908 $ 11.84 PSUs forfeited - $ - PSUs vested (195,905) $ 6.60 Outstanding at December 31, 2016 1,153,617 $ 3.66 Deferred Stock Units (“DSUs”) On January 4, 2016, the compensation committee of the board of directors granted to John Gaulding, director and chairman of the board, DSUs under the 2014 Non-Employee Equity Compensation Plan for which Mr. Gaulding has the right to receive 14,953 125,000 75,000 50,000 123,644 At December 31, 2016, the unamortized value of the DSUs was $ 1,362 Weighted Average Grant Total Date Fair Value Outstanding at January 1, 2016 - $ - DSUs granted 14,953 $ 8.36 DSUs forfeited - $ - DSUs vested - $ - Outstanding at December 31, 2016 14,953 $ 8.36 Employee Stock Purchase Plan (“ESPP”) During the year ended December 31, 2016, there were two offering periods for the ESPP. The first offering period started on January 1, 2016 and concluded on June 30, 2016. The second offering period started on July 1, 2016 and concluded on December 31, 2016. During the year ended December 31, 2015, there was one initial offering period for the ESPP, which started on July 1, 2015 and concluded on December 31, 2015. The weighted-average grant-date fair value of the purchase option for each designated share purchased under this plan was approximately $ 5.20 2.46 318,735 113,217 The Company estimated the fair value of the purchase options granted during the years ended December 31, 2016 and 2015 using the Black-Scholes option pricing model. For the Year Ended December 31, 2016 Stock price range $ 8.36 - 12.16 Dividend yield 0 % Expected volatility range 56 - 100 % Risk-free interest rate range 0.37 0.49 % Expected life 6 months For the Year Ended December 31, 2015 Stock price $ 7.41 Dividend yield 0 % Expected volatility 65 % Risk-free interest rate 0.13 % Expected life 6 months Stock-Based Compensation Expense For the Years Ended December 31, 2016 2015 2014 Stock options $ 1,045,081 $ 1,037,399 $ 1,333,943 RSUs 5,735,032 4,225,728 900,063 PSUs 2,285,683 489,239 - DSUs 123,644 - - ESPP 318,735 113,217 - IR warrants - 85,831 263,972 Shares issued to consultant for services rendered - - 50,000 Total $ 9,508,175 $ 5,951,414 $ 2,547,978 For the Years Ended December 31, 2016 2015 2014 Research and development $ 4,226,304 $ 2,816,707 $ 924,702 Sales and marketing 328,760 729,329 583,238 General and administrative 4,953,111 2,405,378 1,040,038 Total $ 9,508,175 $ 5,951,414 $ 2,547,978 |