Annual report pursuant to Section 13 and 15(d)

ACQUISITIONS (Details 2)

v2.4.1.9
ACQUISITIONS (Details 2) (USD $)
3 Months Ended 12 Months Ended 0 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Aug. 29, 2014
Common Stock    $ 2,280,000us-gaap_StockIssuedDuringPeriodValueAcquisitions  
Clouding [Member]      
Cash     1,400,000us-gaap_PaymentsToAcquireBusinessesAndInterestInAffiliates
/ us-gaap_BusinessAcquisitionAxis
= MARA_CloudingMember
Promissory note     1,000,000MARA_PromissoryNoteBusinessAcquisition
/ us-gaap_BusinessAcquisitionAxis
= MARA_CloudingMember
Common Stock     281,000us-gaap_StockIssuedDuringPeriodValueAcquisitions
/ us-gaap_BusinessAcquisitionAxis
= MARA_CloudingMember
Earn out Liability     13,115,000us-gaap_BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1
/ us-gaap_BusinessAcquisitionAxis
= MARA_CloudingMember
Net purchase price     $ 15,796,000us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired
/ us-gaap_BusinessAcquisitionAxis
= MARA_CloudingMember