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

Consolidated Statements of Convertible Preferred Stock and Stockholders' Deficit

v2.4.1.9
Consolidated Statements of Convertible Preferred Stock and Stockholders' Deficit (USD $)
In Thousands, except Share data
Total
Convertible Preferred Stock
Series F Preferred Stock
IPO
IPO
Convertible Preferred Stock
Secondary Offering
Common Stock
Common Stock
IPO
Common Stock
Secondary Offering
Additional Paid-in Capital/(Capital Deficiency)
Additional Paid-in Capital/(Capital Deficiency)
IPO
Additional Paid-in Capital/(Capital Deficiency)
Secondary Offering
Accumulated Other Comprehensive Income (Loss)
Accumulated Deficit
Balance, Value at Dec. 31, 2012 $ (148,283)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest $ 153,474us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
        $ 3us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
    $ (16,651)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
    $ 2us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
$ (131,637)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
Balance, Shares at Dec. 31, 2012   76,170,394us-gaap_SharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
        348,734us-gaap_SharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
             
Issuance of stock, Value     7,982us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesFPreferredStockMember
                     
Issuance of stock, Shares     4,740,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementClassOfStockAxis
= us-gaap_SeriesFPreferredStockMember
                     
Issuance of common stock in connection with exercise of warrants, Value 2,878amda_IssuanceOfCommonStockUponExerciseOfWarrantsAmount           2amda_IssuanceOfCommonStockUponExerciseOfWarrantsAmount
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
    2,876amda_IssuanceOfCommonStockUponExerciseOfWarrantsAmount
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
       
Issuance of common stock in connection with exercise of warrants, Shares             178,516amda_IssuanceOfCommonStockUponExerciseOfWarrantsShares
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
             
Issuance of common stock upon cashless exercise of stock options, Shares             27,624amda_IssuanceOfCommonStockUponCashlessExerciseOfStockOptions
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
             
Issuance of common stock upon exercise of stock options, Value 77us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised           1us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
    76us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
       
Issuance of common stock upon exercise of stock options, Shares             29,680us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
             
Stock-based compensation, Value 555us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue                 555us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
       
Share based compensation, Shares             13,121us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
             
Unrealized loss on marketable securities (2)us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax                       (2)us-gaap_OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedOtherComprehensiveIncomeMember
 
Net loss (8,286)us-gaap_NetIncomeLoss                         (8,286)us-gaap_NetIncomeLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
Balance, Value at Dec. 31, 2013 (153,061)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest 161,456us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
        6us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
    (13,144)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
      (139,923)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
Balance, Shares at Dec. 31, 2013   80,910,394us-gaap_SharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
        597,675us-gaap_SharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
             
Issuance of stock, Value       14,398us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_IPOMember
  2,047us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_SubsidiarySaleOfStockAxis
= amda_SecondaryOfferingMember
  37us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_IPOMember
115us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
/ us-gaap_SubsidiarySaleOfStockAxis
= amda_SecondaryOfferingMember
  14,361us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_IPOMember
1,932us-gaap_StockIssuedDuringPeriodValueNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
/ us-gaap_SubsidiarySaleOfStockAxis
= amda_SecondaryOfferingMember
   
Issuance of stock, Shares 50,583us-gaap_StockIssuedDuringPeriodSharesNewIssues             3,682,900us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_IPOMember
11,441,646us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
/ us-gaap_SubsidiarySaleOfStockAxis
= amda_SecondaryOfferingMember
         
Preferred stock converted to common, Value 162,432us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities (161,456)us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
        80us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
    162,352us-gaap_StockIssuedDuringPeriodValueConversionOfConvertibleSecurities
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
       
Preferred stock converted to common, Shares         (80,910,394)us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_IPOMember
    8,029,779us-gaap_StockIssuedDuringPeriodSharesConversionOfConvertibleSecurities
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
/ us-gaap_SubsidiarySaleOfStockAxis
= us-gaap_IPOMember
           
Issuance of common stock in connection with exercise of warrants, Value 24amda_IssuanceOfCommonStockUponExerciseOfWarrantsAmount                 24amda_IssuanceOfCommonStockUponExerciseOfWarrantsAmount
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
       
Issuance of common stock in connection with exercise of warrants, Shares 9,328amda_IssuanceOfCommonStockUponExerciseOfWarrantsShares           9,328amda_IssuanceOfCommonStockUponExerciseOfWarrantsShares
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
             
Issuance of common stock with notes payable, Value 220amda_IssuanceOfCommonStockWithNotesPayableValue           1amda_IssuanceOfCommonStockWithNotesPayableValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
    219amda_IssuanceOfCommonStockWithNotesPayableValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
       
Issuance of common stock with notes payable, Shares             50,853amda_IssuanceOfCommonStockWithNotesPayableShares
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
             
Issuance of common stock upon conversion of notes payable, Value 2,428amda_IssuanceOfCommonStockUponConversionOfNotesPayableValue           20amda_IssuanceOfCommonStockUponConversionOfNotesPayableValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
    2,408amda_IssuanceOfCommonStockUponConversionOfNotesPayableValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
       
Issuance of common stock upon conversion of notes payable, Shares             2,047,082amda_IssuanceOfCommonStockUponConversionOfNotesPayableShares
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
             
Stock-based compensation, Value 11,001us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue           5us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
    10,996us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
       
Share based compensation, Shares             494,403us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
             
Net loss (32,582)us-gaap_NetIncomeLoss                         (32,582)us-gaap_NetIncomeLoss
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
Balance, Value at Dec. 31, 2014 $ 6,907us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest           $ 264us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember
    $ 179,148us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AdditionalPaidInCapitalMember
      $ (172,505)us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_RetainedEarningsMember
Balance, Shares at Dec. 31, 2014             26,353,666us-gaap_SharesOutstanding
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_CommonStockMember