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Description of Business, Basis of Consolidation and Significant Accounting Policies - Additional Information (Detail)
 1 Months Ended 12 Months Ended 1 Months Ended 12 Months Ended
Oct. 31, 2014
USD ($)
Dec. 31, 2014
USD ($)
asset_group
Derivative
Dec. 31, 2013
USD ($)
Dec. 31, 2012
USD ($)
Jul. 31, 2014
TyraTech Inc.
USD ($)
Jul. 31, 2014
TyraTech Inc.
GBP (£)
Feb. 28, 2014
TyraTech Inc.
USD ($)
Feb. 28, 2014
TyraTech Inc.
GBP (£)
Dec. 31, 2014
Restricted Stock
USD ($)
Dec. 31, 2013
Restricted Stock
USD ($)
Dec. 31, 2012
Restricted Stock
USD ($)
Dec. 31, 2014
Performance Shares
USD ($)
Dec. 31, 2014
Stock Options
USD ($)
Dec. 31, 2013
Stock Options
Dec. 31, 2012
Stock Options
Dec. 31, 2014
Building
Minimum
Dec. 31, 2014
Building
Maximum
Dec. 31, 2014
Machinery and equipment
Minimum
Dec. 31, 2014
Machinery and equipment
Maximum
Dec. 31, 2014
Office furniture, fixtures and equipment
Minimum
Dec. 31, 2014
Office furniture, fixtures and equipment
Maximum
Dec. 31, 2014
Automotive equipment
Minimum
Dec. 31, 2014
Automotive equipment
Maximum
Dec. 31, 2014
Construction in progress
Minimum
Dec. 31, 2014
Construction in progress
Maximum
Basis Of Presentation And Summary Of Significant Accounting Policies [Line Items]                                                  
Advertising expense   $ 4,322,000us-gaap_AdvertisingExpense $ 4,011,000us-gaap_AdvertisingExpense $ 2,680,000us-gaap_AdvertisingExpense                                          
Inventory reserve allowance   3,882,000us-gaap_InventoryValuationReserves 2,602,000us-gaap_InventoryValuationReserves                                            
Property, Plant and Equipment Useful Life                               10 years 30 years 3 years 15 years 3 years 10 years 3 years 6 years 3 years 15 years
Number of Interest rate swap contract outstanding   1us-gaap_NumberOfInterestRateDerivativesHeld                                              
Losses in other comprehensive income expected to be reclassified to earnings   0us-gaap_DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimatedNetAmountToBeTransferred 564,000us-gaap_DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimatedNetAmountToBeTransferred 689,000us-gaap_DerivativeInstrumentsGainLossReclassificationFromAccumulatedOCIToIncomeEstimatedNetAmountToBeTransferred                                          
Number of intangible assets written down   1avd_NumberOfImpairedAssets                                              
Impaired intangible assets, carrying value   0us-gaap_OtherIntangibleAssetsNet                                              
Intangible assets, impairment loss   319,000us-gaap_GoodwillAndIntangibleAssetImpairment 0us-gaap_GoodwillAndIntangibleAssetImpairment 0us-gaap_GoodwillAndIntangibleAssetImpairment                                          
Shares issued by equity investee         50,000,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ dei_LegalEntityAxis
= us-gaap_EquityMethodInvesteeMember		 50,000,000us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ dei_LegalEntityAxis
= us-gaap_EquityMethodInvesteeMember		 37,391,763us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ dei_LegalEntityAxis
= us-gaap_EquityMethodInvesteeMember		 37,391,763us-gaap_StockIssuedDuringPeriodSharesNewIssues
/ dei_LegalEntityAxis
= us-gaap_EquityMethodInvesteeMember		                                  
Amount raised by equity investee on shares issued   1,666,000us-gaap_ProceedsFromIssuanceOfCommonStock 1,610,000us-gaap_ProceedsFromIssuanceOfCommonStock 3,227,000us-gaap_ProceedsFromIssuanceOfCommonStock 5,900,000us-gaap_ProceedsFromIssuanceOfCommonStock
/ dei_LegalEntityAxis
= us-gaap_EquityMethodInvesteeMember		 3,500,000us-gaap_ProceedsFromIssuanceOfCommonStock
/ dei_LegalEntityAxis
= us-gaap_EquityMethodInvesteeMember		 3,100,000us-gaap_ProceedsFromIssuanceOfCommonStock
/ dei_LegalEntityAxis
= us-gaap_EquityMethodInvesteeMember		 1,870,000us-gaap_ProceedsFromIssuanceOfCommonStock
/ dei_LegalEntityAxis
= us-gaap_EquityMethodInvesteeMember		                                  
Gain from dilution of equity method investment   954,000us-gaap_GainLossOnSaleOfEquityInvestments                                              
Warrants exercised amount 500,000avd_WarrantExercises                                                
Warrants exercised shares 6,155,000avd_WarrantsExercisedShares                                                
Ownership position in equity investment   21.18%us-gaap_EquityMethodInvestmentOwnershipPercentage                                              
Carrying value of equity investment   3,172,000us-gaap_EquityMethodInvestments                                              
Quoted market value of equity investment   3,555,000us-gaap_EquityMethodInvestmentQuotedMarketValue                                              
Anti-dilutive stock options excluded from computation of diluted earning per share   1,616us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 0us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 0us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount                                          
Reduction in share based compensation expense   $ 247,000avd_DecreaseInShareBasedCompensationExpense $ 247,000avd_DecreaseInShareBasedCompensationExpense $ 88,000avd_DecreaseInShareBasedCompensationExpense                                          
Forfeited percentage of stock                 7.30%avd_PercentageOfSharesSubjectToForfeiture
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember		     20.70%avd_PercentageOfSharesSubjectToForfeiture
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember		 4.20%avd_PercentageOfSharesSubjectToForfeiture
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		                        
Weighted average grant-date fair values of options in period                         $ 5.27us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		                        
Option shares granted                           0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		 0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		                    
Weighted average grant-date fair values of restricted stock grants                 $ 14.81us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember		 $ 30.91us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember		 $ 21.51us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember		 $ 14.51us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
/ us-gaap_AwardTypeAxis
= us-gaap_PerformanceSharesMember