Annual report pursuant to Section 13 and 15(d)

ACQUISITIONS (Details)

v2.4.1.9
ACQUISITIONS (Details) (USD $)
0 Months Ended
Apr. 22, 2013
Aug. 29, 2014
Aug. 19, 2014
Oct. 13, 2014
Jun. 17, 2014
CyberFone Systems          
Intangible assets $ 2,144,488us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SubsidiariesMember
       
Net purchase price 3,280,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= us-gaap_SubsidiariesMember
       
Selene [Member]          
Intangible assets         910,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= MARA_SeleneMember
Net working capital         37,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
/ us-gaap_BusinessAcquisitionAxis
= MARA_SeleneMember
Goodwill         83,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
/ us-gaap_BusinessAcquisitionAxis
= MARA_SeleneMember
Clouding [Member]          
Intangible assets   14,500,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= MARA_CloudingMember
     
Goodwill   1,296,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
/ us-gaap_BusinessAcquisitionAxis
= MARA_CloudingMember
     
Net purchase price   15,796,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= MARA_CloudingMember
     
TLI [Member]          
Intangible assets     940,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= MARA_TLIMember
   
Goodwill     228,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
/ us-gaap_BusinessAcquisitionAxis
= MARA_TLIMember
   
Net purchase price     1,168,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= MARA_TLIMember
   
Medtech [Member]          
Intangible assets       12,800,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= MARA_MedTechMember
 
Goodwill       2,700,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
/ us-gaap_BusinessAcquisitionAxis
= MARA_MedTechMember
 
Net purchase price       $ 15,500,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= MARA_MedTechMember