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Property and Equipment (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Property and Equipment, Gross $ 1,204,189us-gaap_PropertyPlantAndEquipmentGross $ 1,201,225us-gaap_PropertyPlantAndEquipmentGross
Less: accumulated depreciation (692,903)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment (576,591)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Property and Equipment, Net 511,286us-gaap_PropertyPlantAndEquipmentNet 624,634us-gaap_PropertyPlantAndEquipmentNet
Computer Software [Member]    
Estimates Useful Life 5 years  
Property and Equipment, Gross 230,299us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ComputerEquipmentMember
230,299us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ComputerEquipmentMember
Equipment [Member]    
Estimates Useful Life 15 years  
Property and Equipment, Gross 544,108us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ManufacturingFacilityMember
544,108us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ManufacturingFacilityMember
Office Furniture and Equipment [Member]    
Estimates Useful Life 7 years  
Property and Equipment, Gross 95,754us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_OfficeEquipmentMember
95,754us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_OfficeEquipmentMember
Computer Hardware [Member]    
Estimates Useful Life 5 years  
Property and Equipment, Gross 30,710us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= HEWA_ComputerHardwareMember
27,746us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= HEWA_ComputerHardwareMember
Leasehold Improvements [Member]    
Property and Equipment, Gross $ 303,318us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LeaseholdImprovementsMember
$ 303,318us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LeaseholdImprovementsMember