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Warrants (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Warrants Disclosure [Line Items]  
Warrant Shares Outstanding (in shares) 3,105,000us-gaap_TemporaryEquitySharesOutstanding
Warrant One [Member]  
Warrants Disclosure [Line Items]  
Warrant Shares Outstanding (in shares) 1,505,000us-gaap_TemporaryEquitySharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= mbmi_WarrantOneMember
Exercise Price $ 0.15us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_StatementEquityComponentsAxis
= mbmi_WarrantOneMember
Warrant Term 2 years
Warrant Two [Member]  
Warrants Disclosure [Line Items]  
Warrant Shares Outstanding (in shares) 1,600,000us-gaap_TemporaryEquitySharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= mbmi_WarrantTwoMember
Exercise Price $ 0.15us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
/ us-gaap_StatementEquityComponentsAxis
= mbmi_WarrantTwoMember
Warrant Term 2 years
Minimum [Member] | Warrant One [Member]  
Warrants Disclosure [Line Items]  
Issuance Date Feb. 01, 2013
Minimum [Member] | Warrant Two [Member]  
Warrants Disclosure [Line Items]  
Issuance Date Feb. 01, 2013
Maximum [Member] | Warrant One [Member]  
Warrants Disclosure [Line Items]  
Issuance Date Mar. 01, 2013
Maximum [Member] | Warrant Two [Member]  
Warrants Disclosure [Line Items]  
Issuance Date Mar. 31, 2013