XML 24 R52.htm IDEA: XBRL DOCUMENT
v2.4.0.8

Stock Based Compensation Expense - Additional Information (Detail) (USD $) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013
Performance Shares |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Stock-based compensation expense | $ 101,000 |  |  | $ 92,000 | $ 67,000 | $ 118,000
Number of Shares, Granted |  | 79,270 |  |  | 79,270 | 24,637
Number of shares vested |  |  |  |  |  |
Number of years of service before cliff vesting |  |  |  |  |  | 3 years
Weighted Average Grant-Date Fair Value, Granted |  | $ 14.23 |  |  |  |
Nonvested unamortized stock-based compensation expense, contractual term |  |  |  |  | 2 years 4 months 24 days |
Cliff vesting date |  |  |  |  | May 23, 2017 |
Targeted performance percentage | 200.00% |  |  | 200.00% | 200.00% | 200.00%
Unamortized stock-based compensation expense | 1,404,000 |  |  |  | 1,404,000 |
Performance Shares | Performance based shares based upon financial performance of earnings before interest and tax ("EBIT") and net sales goal for the period commencing April 1, 2014 and ending December 31, 2016 |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Weighted Average Grant-Date Fair Value, Granted |  |  |  |  | $ 14.92 |
Percentage of shares vesting based on Performance |  |  |  |  | 80.00% |
Earnings before income tax goal weight, percentage |  |  |  |  | 50.00% |
Net sales goal weight, percentage |  |  |  |  | 30.00% |
Performance Shares | Performance based shares based upon AVD stock price appreciation over the course of the period commencing April 1, 2014 and ending December 31, 2016 |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Weighted Average Grant-Date Fair Value, Granted |  |  |  |  | $ 12.85 |
Percentage of shares vesting based on Performance |  |  |  |  | 20.00% |
Performance Shares | Performance based shares based upon net income and net sales for the period commencing April 1, 2013 and ending December 31, 2015 |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Percentage of shares vesting based on Performance |  |  |  |  |  | 80.00%
Performance Shares | Performance based shares based upon AVD stock price appreciation over the course of the period commencing June 6, 2013 and ending on December 31, 2015 |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Percentage of shares vesting based on Performance |  |  |  |  |  | 20.00%
Restricted Stock |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Stock-based compensation expense | 1,139,000 |  |  | 856,000 | 2,958,000 | 2,153,000
Nonvested unamortized stock-based compensation expense, value | 6,069,000 |  |  |  | 6,069,000 |
Number of Shares, Granted |  | 240,724 |  |  | 240,724 | 158,614
Number of shares vested | 4,000 | 23,478 | 1,000 |  |  | 8,230
Number of years of service before cliff vesting |  |  |  |  | 3 years |
Weighted Average Grant-Date Fair Value, Granted |  | $ 14.81 |  |  | $ 14.81 | $ 31.06
Nonvested unamortized stock-based compensation expense, contractual term |  |  |  |  | 1 year 10 months 24 days |
Restricted Stock | Share-based Compensation Award, Tranche Three |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Number of years of service before cliff vesting |  |  |  |  |  | 3 years
Number of shares expected to vest |  |  |  | 148,884 |  | 148,884
Stock Options |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Stock-based compensation expense | 0 |  |  | 201,000 | 21,000 | 624,000
Nonvested unamortized stock-based compensation expense, value | $ 0 |  |  |  | $ 0 |

X
- Definition Earnings Before Income Tax Goal Weighted Percentage + References No definition available. + Details
Name: | avd_EarningsBeforeIncomeTaxGoalWeightedPercentage
Namespace Prefix: | avd_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Net Sales Goal Weighted Percentage + References No definition available. + Details
Name: | avd_NetSalesGoalWeightedPercentage
Namespace Prefix: | avd_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share Based Compensation Arrangement by Share Based Payment Award, Equity Instruments Other Than Options, Vesting Date + References No definition available. + Details
Name: | avd_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestingDate
Namespace Prefix: | avd_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share Based Compensation Arrangements Maximum Target + References No definition available. + Details
Name: | avd_ShareBasedCompensationArrangementsMaximumTarget
Namespace Prefix: | avd_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Stock options unamortized stock based compensation expenses related to unvested stock options outstanding. + References No definition available. + Details
Name: | avd_StockOptionsUnamortizedStockBasedCompensationExpensesRelatedToUnvestedStockOptionsOutstanding
Namespace Prefix: | avd_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
Name: | us-gaap_AllocatedShareBasedCompensationExpense
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation. + References No definition available. + Details
Name: | us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedShareBasedAwardsOtherThanOptions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Estimated period over which an employee is required to provide service in exchange for the equity-based payment award, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardRequisiteServicePeriod1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of vesting of share-based compensation awards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Definition The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
Namespace Prefix: | us-gaap_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that vested during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2)(iii)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options outstanding can be converted under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestOutstandingNumber
Namespace Prefix: | us-gaap_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant