Annual report pursuant to Section 13 and 15(d)

Property and Equipment (Details)

v2.4.1.9
Property and Equipment (Details) (USD $)
Dec. 31, 2014
Dec. 31, 2013
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total $ 1,871,786us-gaap_PropertyPlantAndEquipmentGross $ 194,329us-gaap_PropertyPlantAndEquipmentGross
Less - Accumulated depreciation (356,487)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment (4,717)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Total property and equipment, net 1,515,299us-gaap_PropertyPlantAndEquipmentNet 189,612us-gaap_PropertyPlantAndEquipmentNet
Computer Software [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 459,861us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= watt_ComputerSoftwareMember
114,876us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= watt_ComputerSoftwareMember
Computer Hardware [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 725,739us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= watt_ComputerHardwareMember
36,240us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= watt_ComputerHardwareMember
Furniture and Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total 342,452us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_FurnitureAndFixturesMember
28,458us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_FurnitureAndFixturesMember
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Gross, Total $ 343,734us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LeaseholdImprovementsMember
$ 14,755us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LeaseholdImprovementsMember