Quarterly report pursuant to Section 13 or 15(d)

Business Combination Purchase Price Allocation (Details)

v2.4.1.9
Business Combination Purchase Price Allocation (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Oct. 31, 2014
Business Acquisition [Line Items]      
Goodwill $ 1,201us-gaap_Goodwill $ 1,201us-gaap_Goodwill  
Physpeed [Member]      
Business Acquisition [Line Items]      
Financial assets     114us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
/ us-gaap_BusinessAcquisitionAxis
= mxl_PhyspeedMember
Accounts receivable     447us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables
/ us-gaap_BusinessAcquisitionAxis
= mxl_PhyspeedMember
Prepaid expenses     28us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsPrepaidExpenseAndOtherAssets
/ us-gaap_BusinessAcquisitionAxis
= mxl_PhyspeedMember
Inventory     69us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory
/ us-gaap_BusinessAcquisitionAxis
= mxl_PhyspeedMember
Fixed assets     56us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
/ us-gaap_BusinessAcquisitionAxis
= mxl_PhyspeedMember
Identifiable intangible assets     10,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= mxl_PhyspeedMember
Financial liabilities     (65)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable
/ us-gaap_BusinessAcquisitionAxis
= mxl_PhyspeedMember
Financial liabilities     (265)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedContingentLiability
/ us-gaap_BusinessAcquisitionAxis
= mxl_PhyspeedMember
Net deferred tax liability     (2,335)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxLiabilitiesNoncurrent
/ us-gaap_BusinessAcquisitionAxis
= mxl_PhyspeedMember
Total identifiable net assets     8,049us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet
/ us-gaap_BusinessAcquisitionAxis
= mxl_PhyspeedMember
Goodwill     1,201us-gaap_Goodwill
/ us-gaap_BusinessAcquisitionAxis
= mxl_PhyspeedMember
Assets acquired, goodwill, and liabilities assumed, net     $ 9,250us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet
/ us-gaap_BusinessAcquisitionAxis
= mxl_PhyspeedMember