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Commitments and Contingencies (Details Textual) (USD $)
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3 Months Ended | 0 Months Ended | 1 Months Ended | |
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Mar. 31, 2015
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Mar. 31, 2014
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Feb. 04, 2015
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Sep. 30, 2014
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| Commitments and Contingencies [Line Items] | ||||
| Investor Relations Agreement, Initiation Date | Jan. 13, 2014 | |||
| Stock based compensation expense | $ 1,679,221us-gaap_ShareBasedCompensation | $ 492,123us-gaap_ShareBasedCompensation | ||
| Cash Compensation For Services Received Per Month 1 | 8,000watt_CashCompensationForServicesReceivedPerMonth1 | |||
| Lease Expiration Date | Jun. 30, 2019 | |||
| Development Stage Entities, Stock Issued, Value, Issued for Noncash Consideration | 500,000us-gaap_StockIssuedDuringPeriodValueIssuedForNoncashConsiderations | |||
| Payments for Tenant Improvements | 100,000us-gaap_PaymentsForTenantImprovements | |||
| Payments for Rent | 400,000us-gaap_PaymentsForRent | |||
| Operating Leases, Rent Expense, Sublease Rentals | 6,109us-gaap_OperatingLeasesRentExpenseSubleaseRentals1 | |||
| Deferred Revenue, Revenue Recognized | 200,000us-gaap_DeferredRevenueRevenueRecognized | |||
| Employment Agreement Percentage of Base Salary | 100.00%watt_EmploymentAgreementPercentageOfBaseSalary | |||
| Officers' Compensation | 365,000us-gaap_OfficersCompensation | |||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross | 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross | |||
| Performance Based Equity Plan, Market Capitalization Minimum Amount | 100,000,000watt_PerformanceBasedEquityPlanMarketCapitalizationMinimumAmount | |||
| Stock Issued During Period, Value, Issued for Services | 147,900us-gaap_StockIssuedDuringPeriodValueIssuedForServices | 0us-gaap_StockIssuedDuringPeriodValueIssuedForServices | ||
| Consulting Agreement [Member] | ||||
| Commitments and Contingencies [Line Items] | ||||
| Payments for Fees |
5,000us-gaap_PaymentsForFees / watt_AgreementAxis = watt_ConsultingAgreementMember |
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| Employee Stock Option [Member] | ||||
| Commitments and Contingencies [Line Items] | ||||
| Deferred Compensation Arrangement with Individual, Fair Value of Shares Issued |
275,689us-gaap_DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued / us-gaap_OptionIndexedToIssuersEquityEquityAxis = us-gaap_EmployeeStockOptionMember |
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| Deferred Compensation Arrangement with Individual, Exercise Price |
$ 1.68us-gaap_DeferredCompensationArrangementWithIndividualExercisePrice / us-gaap_OptionIndexedToIssuersEquityEquityAxis = us-gaap_EmployeeStockOptionMember |
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| Deferred Compensation Arrangement with Individual, Maximum Contractual Term | 48 months | |||
| Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period | 4 years | |||
| Licensing Agreements [Member] | ||||
| Commitments and Contingencies [Line Items] | ||||
| Research and Development Arrangement, Contract to Perform for Others, Compensation Earned |
500,000us-gaap_ResearchAndDevelopmentArrangementContractToPerformForOthersCompensationEarned / us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_LicensingAgreementsMember |
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| Performance-Based Equity Plan [Member] | ||||
| Commitments and Contingencies [Line Items] | ||||
| Percentage Of Performance Share Units To Be Earned On Achievement Of Market Capitalization Growth |
100.00%watt_PercentageOfPerformanceShareUnitsToBeEarnedOnAchievementOfMarketCapitalizationGrowth / us-gaap_PlanNameAxis = watt_PerformanceBasedEquityPlanMember |
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| Percentage Of Performance Share Units To Be Paid On Quarterly Basis |
50.00%watt_PercentageOfPerformanceShareUnitsToBePaidOnQuarterlyBasis / us-gaap_PlanNameAxis = watt_PerformanceBasedEquityPlanMember |
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| Percentage Of Performance Share Units To Be Paid On Termination of Employment Agreement |
25.00%watt_PercentageOfPerformanceShareUnitsToBePaidOnTerminationOfEmploymentAgreement / us-gaap_PlanNameAxis = watt_PerformanceBasedEquityPlanMember |
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| Performance Based Equity Plan Market Capitalization Maximum Amount |
1,100,000,000watt_PerformanceBasedEquityPlanMarketCapitalizationMaximumAmount / us-gaap_PlanNameAxis = watt_PerformanceBasedEquityPlanMember |
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| Performance-Based Equity Plan [Member] | Phantom Share Units (PSUs) [Member] | ||||
| Commitments and Contingencies [Line Items] | ||||
| Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross |
639,075us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_AwardTypeAxis = us-gaap_PhantomShareUnitsPSUsMember / us-gaap_PlanNameAxis = watt_PerformanceBasedEquityPlanMember |
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| Second Employee Stock Option [Member] | ||||
| Commitments and Contingencies [Line Items] | ||||
| Deferred Compensation Arrangement with Individual, Fair Value of Shares Issued |
496,546us-gaap_DeferredCompensationArrangementWithIndividualFairValueOfSharesIssued / us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis = watt_SecondEmployeeStockOptionMember |
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| Deferred Compensation Arrangement with Individual, Exercise Price |
$ 6.00us-gaap_DeferredCompensationArrangementWithIndividualExercisePrice / us-gaap_DeferredCompensationArrangementWithIndividualShareBasedPaymentsByTypeOfDeferredCompensationAxis = watt_SecondEmployeeStockOptionMember |
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| Balzer Family Investments, L.P [Member] | ||||
| Commitments and Contingencies [Line Items] | ||||
| Operating Leases, Rent Expense |
36,720us-gaap_LeaseAndRentalExpense / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = watt_BalzerFamilyInvestmentsLpMember |
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| Operating Leases Expiration Period | 60 months | |||
| Operating Leases, Rent Expense, Net |
6,732us-gaap_OperatingLeasesRentExpenseNet / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = watt_BalzerFamilyInvestmentsLpMember |
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| Common Stock [Member] | ||||
| Commitments and Contingencies [Line Items] | ||||
| Development Stage Entities, Stock Issued, Shares, Issued for Noncash Consideration |
41,563us-gaap_StockIssuedDuringPeriodSharesIssuedForNoncashConsideration / us-gaap_ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentAxis = us-gaap_CommonStockMember |
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| Subsequent Event [Member] | Common Stock [Member] | Consulting Agreement [Member] | ||||
| Commitments and Contingencies [Line Items] | ||||
| Stock Issued During Period, Shares, Issued for Services |
15,000us-gaap_StockIssuedDuringPeriodSharesIssuedForServices / watt_AgreementAxis = watt_ConsultingAgreementMember / us-gaap_ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentAxis = us-gaap_CommonStockMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
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| Stock Issued During Period, Value, Issued for Services |
147,900us-gaap_StockIssuedDuringPeriodValueIssuedForServices / watt_AgreementAxis = watt_ConsultingAgreementMember / us-gaap_ScheduleOfFairValueOfSeparateAccountsByMajorCategoryOfInvestmentAxis = us-gaap_CommonStockMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
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| IR Consulting Warrant [Member] | ||||
| Commitments and Contingencies [Line Items] | ||||
| Warrants Issued To Purchase Common Stock, Shares |
36,000watt_WarrantsIssuedToPurchaseCommonStockShares / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = watt_IrConsultingWarrantMember |
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| Investment Warrants, Exercise Price |
$ 7.80invest_InvestmentWarrantsExercisePrice / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = watt_IrConsultingWarrantMember |
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| Warrants Exercise Price, Representing IPO Price Percentage |
130.00%watt_WarrantsExercisePriceRepresentingIpoPricePercentage / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = watt_IrConsultingWarrantMember |
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| Warrants Vesting, Each Month Of Service |
3,000watt_WarrantsVestingEachMonthOfService / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = watt_IrConsultingWarrantMember |
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| Warrants Vesting Thereafter, Each Month Of Service |
3,000watt_WarrantsVestingThereafterEachMonthOfService / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = watt_IrConsultingWarrantMember |
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| Warrant Vested During Period, Shares |
36,000watt_WarrantVestedDuringPeriodShares / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = watt_IrConsultingWarrantMember |
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| Stock based compensation expense |
7,522us-gaap_ShareBasedCompensation / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = watt_IrConsultingWarrantMember |
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| IR Incentive Warrant [Member] | ||||
| Commitments and Contingencies [Line Items] | ||||
| Warrants Issued To Purchase Common Stock, Shares |
15,000watt_WarrantsIssuedToPurchaseCommonStockShares / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = watt_IrIncentiveWarrantMember |
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| Investment Warrants, Exercise Price |
$ 7.80invest_InvestmentWarrantsExercisePrice / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = watt_IrIncentiveWarrantMember |
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| Terms Of Incentive Warrant Market Maker |
$ 250,000watt_TermsOfIncentiveWarrantMarketMaker / us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis = watt_IrIncentiveWarrantMember |
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| IR Consulting And Incentive Warrant [Member] | ||||
| Commitments and Contingencies [Line Items] | ||||
| Warrants Term | 4 years | |||
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- Definition
Exercise price of the warrants. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The per share price that the individual must pay to acquire shares under the deferred compensation arrangement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The total fair value of shares issued during the period under a deferred compensation arrangement. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Maximum term of the deferred compensation arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of previously reported deferred or unearned revenue that was recognized as revenue during the period. Deferred revenue is a liability related to a revenue producing activity for which revenue has not yet been recognized. Generally, an entity records deferred revenue when it receives consideration from a customer before achieving certain criteria that must be met for revenue to be recognized in conformity with GAAP. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. No definition available.
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Date which lease or group of leases is set to expire, in CCYY-MM-DD format. No definition available.
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Expenditures for salaries of officers. Does not include allocated share-based compensation, pension and post-retirement benefit expense or other labor-related non-salary expense. For commercial and industrial companies, excludes any direct and overhead labor that is included in cost of goods sold. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The total amount of sublease rental income recognized during the period that reduces the entity's rent expense incurred under operating leases. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The amount of cash paid during the current period for fees which are not defined elsewhere in the taxonomy. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Cash payments to lessor's for use of assets under operating leases. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount of cash outflow for the allowance granted to lessee and/or direct costs incurred by lessor used to prepare the leased premises for tenant's occupancy. No definition available.
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The amount of compensation earned (contract income) under a research and development arrangement accounted for as a contract to perform research and development for others. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Gross number of share options (or share units) granted during the period. No definition available.
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Number of shares issued for noncash consideration for development stage entities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders. No definition available.
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- Definition
Value of shares issued for noncash consideration for development stage entities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Value of stock issued in lieu of cash for services contributed to the entity. Value of the stock issued includes, but is not limited to, services contributed by vendors and founders. No definition available.
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Represents the cash compensation required to paid each month for services received. No definition available.
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Represents the percentage of base salary. No definition available.
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Represents initiation date of investor relations agreement. No definition available.
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Represents the expiration period of operating leases entered into during the period. No definition available.
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Represent the percentage of performance share units to be earned on achievement of market capitalization growth. No definition available.
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Represent the percentage of performance share units to be paid of quarterly basis. No definition available.
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It represents the percentage of performance share units to be paid on termination of employment agreement. No definition available.
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It represents the performance based equity plan, market capitalization maximum amount. No definition available.
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It represents the performance based equity plan, market capitalization minimum amount. No definition available.
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The value of common stock purchased on the secondary market by institutional investors which triggers the issuance of incentive warrants No definition available.
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Warrants exercise price representing IPO price. No definition available.
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Represents warrants issued to purchase common stock, shares. No definition available.
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Represents term for warrants. No definition available.
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Represents warrants vesting in each month of service. No definition available.
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Represents warrants vesting in each month of service. No definition available.
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Represents warrants vested during the period. No definition available.
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