Debt - Future Principal Payments on Debt (Details) (USD $)
In Thousands, unless otherwise specified |
Mar. 31, 2015
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Dec. 31, 2014
|
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Line Of Credit Facility [Line Items] | ||
Total debt, net carrying amount | $ 22,267us-gaap_LongTermDebt | $ 22,131us-gaap_LongTermDebt |
Hercules Term Loan | ||
Line Of Credit Facility [Line Items] | ||
Total debt, net carrying amount |
19,157us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = amda_HerculesTermLoanMember |
19,070us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = amda_HerculesTermLoanMember |
Magna Convertible Notes | ||
Line Of Credit Facility [Line Items] | ||
Total debt, net carrying amount |
3,110us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = amda_MagnaConvertibleNotesMember |
3,061us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = amda_MagnaConvertibleNotesMember |
Convertible Notes Payable | ||
Line Of Credit Facility [Line Items] | ||
2015 |
2,949us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |
|
2016 |
11,964us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |
|
2017 |
8,567us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |
|
2018 |
818us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |
|
2019 |
0us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |
|
Total debt, net carrying amount |
24,298us-gaap_LongTermDebt / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |
|
Convertible Notes Payable | Hercules Term Loan | ||
Line Of Credit Facility [Line Items] | ||
2015 |
2,949us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear / us-gaap_DebtInstrumentAxis = amda_HerculesTermLoanMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |
|
2016 |
7,666us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo / us-gaap_DebtInstrumentAxis = amda_HerculesTermLoanMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |
|
2017 |
8,567us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree / us-gaap_DebtInstrumentAxis = amda_HerculesTermLoanMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |
|
2018 |
818us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour / us-gaap_DebtInstrumentAxis = amda_HerculesTermLoanMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |
|
2019 |
0us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive / us-gaap_DebtInstrumentAxis = amda_HerculesTermLoanMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |
|
Total debt, net carrying amount |
20,000us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = amda_HerculesTermLoanMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |
|
Convertible Notes Payable | Magna Convertible Notes | ||
Line Of Credit Facility [Line Items] | ||
2015 |
0us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalRemainderOfFiscalYear / us-gaap_DebtInstrumentAxis = amda_MagnaConvertibleNotesMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |
|
2016 |
4,298us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo / us-gaap_DebtInstrumentAxis = amda_MagnaConvertibleNotesMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |
|
2017 |
0us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree / us-gaap_DebtInstrumentAxis = amda_MagnaConvertibleNotesMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |
|
2018 |
0us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour / us-gaap_DebtInstrumentAxis = amda_MagnaConvertibleNotesMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |
|
2019 |
0us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive / us-gaap_DebtInstrumentAxis = amda_MagnaConvertibleNotesMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |
|
Total debt, net carrying amount |
$ 4,298us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = amda_MagnaConvertibleNotesMember / us-gaap_ShortTermDebtTypeAxis = us-gaap_ConvertibleNotesPayableMember |
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- Definition
Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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