Annual report pursuant to Section 13 and 15(d)

3. Property and Equipment, net (Details)

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3. Property and Equipment, net (Details) (USD $)
Dec. 31, 2014
Dec. 31, 2013
Property And Equipment Net Details    
Laboratory and manufacturing equipment $ 226,081us-gaap_MachineryAndEquipmentGross $ 226,081us-gaap_MachineryAndEquipmentGross
Office equipment 149,459us-gaap_FurnitureAndFixturesGross 142,323us-gaap_FurnitureAndFixturesGross
Leasehold improvements 8,117us-gaap_LeaseholdImprovementsGross 8,117us-gaap_LeaseholdImprovementsGross
PCT collaboration, demonstration and leased systems 461,858us-gaap_PropertyPlantAndEquipmentOther 461,858us-gaap_PropertyPlantAndEquipmentOther
Total property and equipment 845,515us-gaap_PropertyPlantAndEquipmentGross 838,379us-gaap_PropertyPlantAndEquipmentGross
Less accumulated depreciation (809,490)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment (780,277)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Net book value $ 36,025us-gaap_PropertyPlantAndEquipmentNet $ 58,102us-gaap_PropertyPlantAndEquipmentNet