Quarterly report pursuant to Section 13 or 15(d)

ACQUISITIONS (Details)

v2.4.1.9
ACQUISITIONS (Details) (USD $)
3 Months Ended
Mar. 31, 2015
Dec. 31, 2014
Goodwill $ 4,453,997us-gaap_Goodwill $ 4,894,208us-gaap_Goodwill
Selene Communication Technologies [Member]    
Intangible assets 990,000us-gaap_IntangibleAssetsCurrent
/ us-gaap_MajorCustomersAxis
= MARA_SeleneCommunicationTechnologiesMember
 
Net working capital 37,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
/ us-gaap_MajorCustomersAxis
= MARA_SeleneCommunicationTechnologiesMember
 
Goodwill 3,000us-gaap_Goodwill
/ us-gaap_MajorCustomersAxis
= MARA_SeleneCommunicationTechnologiesMember
 
Clouding Corp [Member]    
Intangible assets 14,500,000us-gaap_IntangibleAssetsCurrent
/ us-gaap_MajorCustomersAxis
= MARA_CloudingCorpMember
 
Net working capital     
Goodwill 1,296,000us-gaap_Goodwill
/ us-gaap_MajorCustomersAxis
= MARA_CloudingCorpMember
 
CyberFone [Member]    
Intangible assets 1,135,512us-gaap_IntangibleAssetsCurrent
/ us-gaap_BusinessAcquisitionAxis
= MARA_CyberFoneMember
 
Net working capital     
Goodwill 2,144,488us-gaap_Goodwill
/ us-gaap_BusinessAcquisitionAxis
= MARA_CyberFoneMember
 
Net purchase price 3,280,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= MARA_CyberFoneMember
 
Selene Communication Technologies [Member]    
Net purchase price 1,030,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= MARA_SeleneCommunicationTechnologies1Member
 
Clouding Corp [Member]    
Net purchase price 15,796,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= MARA_CloudingCorpMember
 
TLI Communications LLC [Member]    
Intangible assets 940,000us-gaap_IntangibleAssetsCurrent
/ us-gaap_BusinessAcquisitionAxis
= MARA_TLICommunicationsLLCMember
 
Net working capital     
Goodwill 228,000us-gaap_Goodwill
/ us-gaap_BusinessAcquisitionAxis
= MARA_TLICommunicationsLLCMember
 
Net purchase price 1,168,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= MARA_TLICommunicationsLLCMember
 
Medtech Entities [Member]    
Intangible assets 12,800,000us-gaap_IntangibleAssetsCurrent
/ us-gaap_BusinessAcquisitionAxis
= MARA_MedtechEntitiesMember
 
Net working capital     
Goodwill 2,700,000us-gaap_Goodwill
/ us-gaap_BusinessAcquisitionAxis
= MARA_MedtechEntitiesMember
 
Net purchase price $ 15,500,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= MARA_MedtechEntitiesMember