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v2.4.1.9

Summary Revolving Line of Credit And Various Notes Payable Constitute Short-Term and Long-Term Loan Balances Together (Detail) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2015 | Dec. 31, 2014
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Extinguishment of Debt [Line Items] |  |
Indebtedness, Long-term | $ 85,036 us-gaap_LongTermDebtNoncurrent | $ 99,455 us-gaap_LongTermDebtNoncurrent
Indebtedness, Short-term | 272 us-gaap_LongTermDebtCurrent | 71 us-gaap_LongTermDebtCurrent
Revolving Line of Credit |  |
Extinguishment of Debt [Line Items] |  |
Indebtedness, Long-term | 85,000 us-gaap_LongTermDebtNoncurrent / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember | 99,400 us-gaap_LongTermDebtNoncurrent / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember
Total indebtedness | 85,000 us-gaap_LongTermDebt / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember | 99,400 us-gaap_LongTermDebt / us-gaap_CreditFacilityAxis = us-gaap_RevolvingCreditFacilityMember
Notes payable |  |
Extinguishment of Debt [Line Items] |  |
Indebtedness, Long-term | 36 us-gaap_LongTermDebtNoncurrent / us-gaap_DebtInstrumentAxis = avd_NotesPayableMember | 55 us-gaap_LongTermDebtNoncurrent / us-gaap_DebtInstrumentAxis = avd_NotesPayableMember
Indebtedness, Short-term | 272 us-gaap_LongTermDebtCurrent / us-gaap_DebtInstrumentAxis = avd_NotesPayableMember | 71 us-gaap_LongTermDebtCurrent / us-gaap_DebtInstrumentAxis = avd_NotesPayableMember
Total indebtedness | 308 us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = avd_NotesPayableMember | 126 us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = avd_NotesPayableMember
Debt |  |
Extinguishment of Debt [Line Items] |  |
Indebtedness, Long-term | 85,036 us-gaap_LongTermDebtNoncurrent / us-gaap_DebtInstrumentAxis = us-gaap_DebtMember | 99,455 us-gaap_LongTermDebtNoncurrent / us-gaap_DebtInstrumentAxis = us-gaap_DebtMember
Indebtedness, Short-term | 272 us-gaap_LongTermDebtCurrent / us-gaap_DebtInstrumentAxis = us-gaap_DebtMember | 71 us-gaap_LongTermDebtCurrent / us-gaap_DebtInstrumentAxis = us-gaap_DebtMember
Total indebtedness | $ 85,308 us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = us-gaap_DebtMember | $ 99,526 us-gaap_LongTermDebt / us-gaap_DebtInstrumentAxis = us-gaap_DebtMember

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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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 7 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20, 22 -Article 5 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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