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Stockholders' Equity - Summary of assets acquired (Details) (USD $)
3 Months Ended 12 Months Ended
Mar. 31, 2015
Dec. 31, 2014
Equity [Abstract]    
Goodwill at fair value, Opening Balance   $ 9,303,679us-gaap_GoodwillFairValueDisclosure
Consideration transferred at fair value:    
Common stock      
Net assets acquired:    
Current assets      
Cash      
Total net assets acquired   8,011us-gaap_BusinessAcquisitionsPurchasePriceAllocationYearOfAcquisitionNetEffectOnIncome
Amortization (1,206,949)us-gaap_AmortizationOfCapitalizedValueOfBusinessAcquiredAsset (965,559)us-gaap_AmortizationOfCapitalizedValueOfBusinessAcquiredAsset
Goodwill at fair value, Ending Balance $ 8,096,731MAXD_GoodwillAtFairValueEndingBalance $ 8,338,121MAXD_GoodwillAtFairValueEndingBalance