Disclosure of Compensation Related Costs, Share-based Payments [Text Block] | Note 6 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 2,335,967 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). As of September 30, 2015, 262,186 equity-based instruments under the 2013 Equity Incentive Plan. 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 As of September 30, 2015, 146,383 equity-based instruments under the 2014 Non-Employee Equity Compensation Plan. 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 September 30, 2015, 95,859 Employee Stock Purchase Plan On April 10, 2015, the Company’s board of directors approved the ESPP, under which 600,000 As of September 30, 2015, 600,000 169,811 Stock Option Award Activity Weighted Weighted Weighted Average Average Average Remaining Number of Exercise Grant Date Life In Intrinsic Options Price Fair Value Years Value Outstanding at January 1, 2015 1,607,075 $ 4.41 $ 2.46 9.0 $ - Granted - - - - - Exercised (10,392) 2.49 1.42 - - Forfeited (7,832) 2.49 1.42 - - Outstanding at September 30, 2015 1,588,851 $ 4.43 $ 2.48 8.4 $ 3,924,000 Exercisable at January 1, 2015 550,298 $ 4.33 $ 2.41 9.1 $ - Vested 290,056 4.42 - - - Exercised (10,392) 2.49 - - - Forfeited - - - - - Exercisable at September 30, 2015 829,962 $ 4.38 $ 2.46 8.4 $ 2,064,000 Options Outstanding Options Exercisable Weighted Average Outstanding Remaining Life In Exercisable Number of Exercise Price Number of Options Years Options $ 1.68 275,689 8.2 137,845 2.49 308,530 8.3 156,457 3.63 51,958 8.4 51,958 4.99 99,214 8.5 49,088 6.00 853,460 8.5 434,614 1,588,851 8.4 829,962 As of September 30, 2015, the unamortized value of options was $ 1,878,887 2.0 Restricted Stock Units (“RSUs”) On August 14, 2014, the compensation committee of the board of directors granted two inducement RSU awards to Cesar Johnston, the Company’s Senior Vice President of Engineering. Under the first award, Mr. Johnston has the right to receive 100,000 20,000 1,356,000 On January 2, 2015, 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 17,576 4,394 13,182 On January 22, 2015, the compensation committee of the board of directors granted to various employees and consultants, RSUs under which the holders have the right to receive an aggregate of 54,500 On February 26, 2015, the compensation committee of the board of directors granted to two employees RSUs under which the holders have the right to receive an aggregate of 6,800 On February 26, 2015, the compensation committee of the board of directors granted to Mr. Rizzone, the Company’s Chief Executive Officer, RSUs under which Mr. Rizzone has the right to receive 246,226 On February 26, 2015, the compensation committee of the board of directors granted to a member of the advisory board RSUs under which the holder has the right to receive 5,071 12.5 12.5 On May 21, 2015, the compensation committee of the board of directors granted to various employees and consultants inducement RSU awards under which the holders have the right to receive an aggregate of 205,081 On May 21, 2015, the compensation committee of the board of directors granted to Cesar Johnston, the Company’s Senior Vice President of Engineering, RSUs under which Mr. Johnston has the right to receive 1,500 On May 21, 2015, the compensation committee of the board of directors granted to two consultants RSUs under which the holders have the right to receive an aggregate of 7,042 On May 21, 2015, in connection with patent applications, the compensation committee of the board of directors granted to various employees RSUs under which the holders have the right to receive an aggregate of 6,300 2,100 3,500 700 On May 21, 2015, 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 May 21, 2015, the compensation committee of the board of directors accelerated the vesting of 13,074 On July 1, 2015, the Company appointed Martin Cooper to the Board of Directors with a term expiring at the Company’s 2016 annual stockholders meeting. In connection with Mr. Cooper’s appointment to the Board, Mr. Cooper was issued RSUs under the Company’s 2014 Non-Employee Equity Compensation Plan covering a total of 5,061 On July 13, 2015, the Company appointed Brian Sereda Vice President and Chief Financial Officer. As an inducement to join the Company, Mr. Sereda received an inducement restricted stock unit award covering a total of 120,000 On August 20, 2015, the compensation committee of the board of directors granted to three consultants RSUs under which the holders have the right to receive an aggregate of 8,854 1,416 During August 2015, the compensation committee of the board of directors granted to various employees inducement RSU awards under which the holders have the right to receive an aggregate of 74,992 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. 9,431,246 3.1 Weighted Average Grant Total Date Fair Value Outstanding at January 1, 2015 733,628 $ 10.49 RSUs granted 784,003 $ 8.62 RSUs forfeited (106,344) $ 9.74 Shares of common stock issued in exchange for RSUs (236,297) $ 10.57 Outstanding at September 30, 2015 1,174,990 $ 9.30 Vested at January 1, 2015 6,349 $ 9.94 RSUs vested 231,448 $ 10.57 RSUs forfeited - $ - Shares of common stock issued in exchange for RSUs (236,297) $ 10.57 Vested at September 30, 2015 1,500 $ 7.94 Performance Share Units (“PSUs”) Effective on May 21, 2015, the compensation committee of the board of directors granted to Stephan Rizzone PSUs under which Mr. Rizzone had the right to receive up to 639,075 On May 21, 2015, the compensation committee of the board of directors granted to its independent directors and executives, PSUs under which the holders have the right to receive up to 543,216 100 1.1 100 100 1.1 On July 1, 2015, the Company appointed Martin Cooper to the Board of Directors with a term expiring at the Company’s 2016 annual stockholders meeting. In connection with Mr. Cooper’s appointment, he was granted PSUs under the Company’s 2015 Performance Share Unit Plan for which he is eligible to receive 31,954 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 above. Grantees of PSUs are required to be employed through December 31, 2018 in order to earn the entire award, if and when vested. The fair value of the grant of PSUs to purchase a total of 1,214,245 3,183,784 277,031 0 320,409 0 2,863,375 3.3 Weighted Average Grant Total Date Fair Value Outstanding at January 1, 2015 - $ - PSUs granted 1,214,245 $ 2.62 PSUs forfeited - $ - Shares of common stock issued in exchange for PSUs (1,072) $ 2.62 Outstanding at September 30, 2015 1,213,173 $ 2.62 Vested at January 1, 2015 - $ - PSUs vested 1,072 $ 2.62 PSUs forfeited - $ - Shares of common stock issued in exchange for PSUs (1,072) $ 2.62 Vested at September 30, 2015 - $ - Employee Stock Purchase Plan (“ESPP”) The initial offering period for the ESPP is July 1, 2015 through December 31, 2015. On July 1, 2015 employees enrolled in the ESPP agreed to have withheld up to approximately $339,623. If all participants exercised their option under the ESPP, approximately 53,921 169,811 0 The weighted-average grant-date fair value of the purchase option for each designated share purchased under this plan was approximately $ 2.46 29,967 Options Granted During the Nine Months Ended September 30, 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 Three Months Ended September 30, Nine Months Ended September 30, 2015 2014 2015 2014 Stock options $ 232,286 $ 325,634 $ 724,708 $ 1,070,939 RSUs 968,385 381,856 3,145,520 389,482 IR warrants - 39,410 85,831 198,983 PSUs 277,031 - 320,409 - ESPP 29,967 - 29,967 - Total $ 1,507,669 $ 746,900 $ 4,306,435 $ 1,659,404 Three Months Ended September 30, Nine Months Ended September 30, 2015 2014 2015 2014 Research and development $ 582,320 $ 329,138 $ 2,116,631 $ 568,390 General and administrative 739,842 165,228 1,673,427 657,738 Sales and marketing 185,507 252,534 516,377 433,276 Total $ 1,507,669 $ 746,900 $ 4,306,435 $ 1,659,404 |