Quarterly report pursuant to Section 13 or 15(d)

Notes Payable and Long Term Loan (Details)

Notes Payable and Long Term Loan (Details) (USD $)
3 Months Ended 12 Months Ended
Mar. 31, 2015
Dec. 31, 2014
Mar. 31, 2014
Notes Payable and Long Term Loan [Abstract]      
Notes payable at beginning of period $ 1,377,416us-gaap_NotesPayable $ 710,072us-gaap_NotesPayable $ 1,377,416us-gaap_NotesPayable
Notes payable issued for cash 212,500endv_NotesPayableIssuedForCash 935,500endv_NotesPayableIssuedForCash  
Less amounts converted to stock 295,915us-gaap_ConversionOfStockAmountConverted1    
Notes payable at end of period 1,294,001us-gaap_NotesPayable 1,377,416us-gaap_NotesPayable 1,377,416us-gaap_NotesPayable
Less debt discount    (2,391)us-gaap_DebtInstrumentUnamortizedDiscountPremiumNet  
Notes payable, Net 1,294,001endv_NotesPayableNetOfDebtDiscount 1,375,025endv_NotesPayableNetOfDebtDiscount  
Notes payable issued to related parties 341,000us-gaap_NotesPayableRelatedPartiesClassifiedCurrent 291,000us-gaap_NotesPayableRelatedPartiesClassifiedCurrent  
Notes payable issued to non-related parties $ 953,001us-gaap_NotesPayableCurrent $ 1,084,025us-gaap_NotesPayableCurrent