Quarterly report pursuant to Section 13 or 15(d)

8. Convertible Notes Payable (Details Narrative)

v2.4.1.9
8. Convertible Notes Payable (Details Narrative) (USD $)
 3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Interest expense $ 301,696us-gaap_InterestExpenseDebt  
Principal outstanding on notes 7,777,084us-gaap_DebtInstrumentPeriodicPaymentPrincipal  
Convertible Notes One [Member]    
Interest expense 105,127us-gaap_InterestExpenseDebt
/ us-gaap_DebtInstrumentAxis
= MEEC_ConvertibleNotesOneMember 		83,416us-gaap_InterestExpenseDebt
/ us-gaap_DebtInstrumentAxis
= MEEC_ConvertibleNotesOneMember
Principal outstanding on notes 3,408,150us-gaap_DebtInstrumentPeriodicPaymentPrincipal
/ us-gaap_DebtInstrumentAxis
= MEEC_ConvertibleNotesOneMember 		 
Convertible Notes Two [Member]    
Interest expense 14,735us-gaap_InterestExpenseDebt
/ us-gaap_DebtInstrumentAxis
= MEEC_ConvertibleNotesTwoMember 		13,114us-gaap_InterestExpenseDebt
/ us-gaap_DebtInstrumentAxis
= MEEC_ConvertibleNotesTwoMember
Principal outstanding on notes 491,156us-gaap_DebtInstrumentPeriodicPaymentPrincipal
/ us-gaap_DebtInstrumentAxis
= MEEC_ConvertibleNotesTwoMember 		 
Convertible Notes Three [Member]    
Interest expense 6,075us-gaap_InterestExpenseDebt
/ us-gaap_DebtInstrumentAxis
= MEEC_ConvertibleNotesThreeMember 		5,407us-gaap_InterestExpenseDebt
/ us-gaap_DebtInstrumentAxis
= MEEC_ConvertibleNotesThreeMember
Principal outstanding on notes 202,517us-gaap_DebtInstrumentPeriodicPaymentPrincipal
/ us-gaap_DebtInstrumentAxis
= MEEC_ConvertibleNotesThreeMember 		 
Convertible Notes Four [Member]    
Interest expense 42,457us-gaap_InterestExpenseDebt
/ us-gaap_DebtInstrumentAxis
= MEEC_ConvertibleNotesFourMember 		47,222us-gaap_InterestExpenseDebt
/ us-gaap_DebtInstrumentAxis
= MEEC_ConvertibleNotesFourMember
Principal outstanding on notes 1,695,000us-gaap_DebtInstrumentPeriodicPaymentPrincipal
/ us-gaap_DebtInstrumentAxis
= MEEC_ConvertibleNotesFourMember 		 
Amortized interest expense on note discount $ 37,613MEEC_InterestExpenseDebtAmortization
/ us-gaap_DebtInstrumentAxis
= MEEC_ConvertibleNotesFourMember 		$ 69,088MEEC_InterestExpenseDebtAmortization
/ us-gaap_DebtInstrumentAxis
= MEEC_ConvertibleNotesFourMember