XML 60 R65.htm IDEA: XBRL DOCUMENT v2.4.1.9
Income Taxes Income Tax Rate Reconciliation (Details)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]      
Statutory federal income tax rate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Research and development credit (14.00%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch (22.00%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch
Qualified production activities deduction (5.00%)us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities (3.00%)us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities (4.00%)us-gaap_EffectiveIncomeTaxRateReconciliationDeductionsQualifiedProductionActivities
State income taxes (net of federal income tax benefit) 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes (2.00%)us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
Non-deductible stock compensation 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost 1.00%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost 1.00%us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost
Valuation allowance 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance 27.00%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
Deemed dividend income 0.00%mcrl_Effectiveincometaxratedeemeddividendincome 3.00%mcrl_Effectiveincometaxratedeemeddividendincome 0.00%mcrl_Effectiveincometaxratedeemeddividendincome
Other 3.00%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments [1] (6.00%)us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments (1.00%)us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments
Effective tax rate 19.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations 8.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations 56.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations
[1] Other, in 2014 and 2013, includes foreign tax rate differential, foreign tax credits and other expenditures not deductible for tax purposes which are all individually insignificant.