Annual report pursuant to Section 13 and 15(d) 12-31-2014

Income Taxes - Schedule of Reconciliation Statutory Federal Income Tax Provision to Actual Income Tax Benefit (Details)

v2.4.1.9
Income Taxes - Schedule of Reconciliation Statutory Federal Income Tax Provision to Actual Income Tax Benefit (Details)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Income Tax Disclosure [Abstract]    
Federal statutory rate (34.00%)us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate (34.00%)us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
State taxes, net of federal benefit (4.30%)us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes (4.30%)us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
Research and development credits (0.70%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch (3.00%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsResearch
Equity related expenses 2.90%amda_EffectiveIncomeTaxRateReconciliationEquityRelatedExpensesBenefit (5.00%)amda_EffectiveIncomeTaxRateReconciliationEquityRelatedExpensesBenefit
Change in valuation allowance 36.10%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance 46.30%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance
Total income tax expense 0.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations 0.00%us-gaap_EffectiveIncomeTaxRateContinuingOperations