XML 44 R34.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Stock Based Compensation (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2018
Stock Based Compensation, Unamortized Stock-Based Compensation and Remaining Weighted Average Period | The following tables illustrate the Company’s stock based compensation, unamortized stock-based compensation, and remaining weighted average period for the three months ended March 31, 2018 and 2017.
|  | Stock-Based Compensation for the Three months ended |  |  | Unamortized Stock-Based Compensation |  |  | Remaining Weighted Average Period (years) |
March 31, 2018 |  |  |  |  |  |  |  |  |  |  |  |
Restricted Stock |  | $ | 666 |  |  | $ | 7,956 |  |  |  | 2.0 |
Unrestricted Stock |  | $ | 96 |  |  | $ | 64 |  |  |  | 0.2 |
Performance Based Restricted Stock |  |  | 547 |  |  |  | 3,562 |  |  |  | 2.4 |
Total |  | $ | 1,309 |  |  | $ | 11,582 |  |  |  |  |
March 31, 2017 |  |  |  |  |  |  |  |  |  |  |  |
Incentive Stock Options |  | $ | 84 |  |  | $ | 293 |  |  |  | 0.8 |
Restricted Stock |  |  | 581 |  |  |  | 5,388 |  |  |  | 2.3 |
Unrestricted Stock |  |  | 75 |  |  |  | 50 |  |  |  | 0.2 |
Performance Based Restricted Stock |  |  | 300 |  |  |  | 2,385 |  |  |  | 2.5 |
Performance Based Options |  |  | 40 |  |  |  | 128 |  |  |  | 0.8 |
Total |  | $ | 1,080 |  |  | $ | 8,244 |  |  |  |  |
Summary of Option Activity | Option activity within each plan is as follows:
|  | Incentive Stock Option Plans |  |  | Weighted Average Price Per Share |
Balance outstanding, December 31, 2017 |  |  | 472,783 |  |  | $ | 9.38 |
Options exercised |  |  | (40,923 | ) |  |  | 11.49 |
Options forfeited |  |  | — |  |  |  | — |
Balance outstanding, March 31, 2018 |  |  | 431,860 |  |  | $ | 9.19 |
Summary of Stock Options Summarized by Exercise Price | Information relating to stock options at March 31, 2018, summarized by exercise price is as follows:
|  | Outstanding Weighted Average |
Exercise Price Per Share |  | Shares |  |  | Remaining Life (Months) |  |  | Exercise Price |
Incentive Stock Option Plan: |  |  |  |  |  |  |  |  |  |  |  |
$7.50 |  |  | 249,050 |  |  |  | 32 |  |  | $ | 7.5 |
$11.32—$14.49 |  |  | 182,810 |  |  |  | 77 |  |  | $ | 11.49 |
|  |  | 431,860 |  |  | 51 |  |  | $ | 9.19 |
Performance Based Stock Options |
Summary of Option Activity | Performance option activity is as follows:
|  | Incentive Stock Option Plans |  |  | Weighted Average Price Per Share |
Balance outstanding, December 31, 2017 and March 31, 2018 |  |  | 81,666 |  |  | $ | 11.49 |
Performance Incentive Stock Option Plan |
Summary of Stock Options Summarized by Exercise Price | Information relating to stock options at March 31, 2018 summarized by exercise price is as follows:
|  | Outstanding Weighted Average |
Exercise Price Per Share |  | Shares |  |  | Remaining Life (Months) |  |  | Exercise Price |
Performance Incentive Stock Option Plan: |  |  | 81,666 |  |  |  | 81 |  |  | $ | 11.49 |
Common Stock Grants |
Summary of Non-Vested Shares | Common stock grants — A summary of non-vested shares as of and for the three months ended March 31, 2018 and 2017 is presented below:
|  | Three Months Ended March 31, 2018 |  |  | Three Months Ended March 31, 2017 |
|  | Number of Shares |  |  | Weighted Average Grant Date Fair Value |  |  | Number of Shares |  |  | Weighted Average Grant Date Fair Value |
Nonvested shares at December 31st |  |  | 391,753 |  |  | $ | 15.63 |  |  |  | 324,756 |  |  | $ | 14.75 |
Granted |  |  | 254,972 |  |  |  | 19.97 |  |  |  | 251,475 |  |  |  | 16.10 |
Vested |  |  | (8,800 | ) |  |  | 12.07 |  |  |  | (10,100 | ) |  |  | 12.95 |
Forfeited |  |  | (5,265 | ) |  |  | 16.51 |  |  |  | (6,544 | ) |  |  | 15.26 |
Nonvested shares at March 31st |  |  | 632,660 |  |  | $ | 17.42 |  |  |  | 559,587 |  |  | $ | 15.38 |
Performance Based Restricted Shares |
Summary of Non-Vested Shares | Performance Based Shares—A summary of non-vested performance based shares as of and for the three months ended March 31, 2018 and 2017, respectively is presented below:
|  | Three Months Ended March 31, 2018 |  |  | Three Months Ended March 31, 2017 |
|  | Number of Shares |  |  | Weighted Average Grant Date Fair Value |  |  | Number of Shares |  |  | Weighted Average Grant Date Fair Value |
Nonvested shares at December 31st |  |  | 186,057 |  |  | $ | 14.93 |  |  |  | 119,022 |  |  | $ | 14.18 |
Granted |  |  | 122,446 |  |  |  | 18.14 |  |  |  | 121,194 |  |  |  | 15.40 |
Vested |  |  | (14,625 | ) |  |  | 11.09 |  |  |  | — |  |  |  | — |
Forfeited |  |  | (1,765 | ) |  |  | 15.40 |  |  |  | — |  |  |  | — |
Nonvested shares at March 31st |  |  | 292,113 |  |  | $ | 16.46 |  |  |  | 240,216 |  |  | $ | 14.80 |

X
- Definition Tabular disclosure of components of a stock option or other award plan under which equity-based compensation is awarded to employees, typically comprised of the amount of unearned compensation (deferred compensation cost), compensation expense, and changes in the quantity and fair value of the shares (or other type of equity) granted, exercised, forfeited, and issued and outstanding pertaining to that plan. Disclosure may also include nature and general terms of such arrangements that existed during the period and potential effects of those arrangements on shareholders, effect of compensation cost arising from equity-based payment arrangements on the income statement, method of estimating the fair value of the goods or services received, or the fair value of the equity instruments granted, during the period, cash flow effects resulting from equity-based payment arrangements and, for registrants that accelerate vesting of out of the money share options, reasons for the decision to accelerate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5047-113901 + Details
Name: | us-gaap_DisclosureOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the changes in outstanding nonvested shares. + 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) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfNonvestedShareActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationSharesAuthorizedUnderStockOptionPlansByExercisePriceRangeTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + 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 (d) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PlanNameAxis=avd_PerformanceBasedOptionsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=avd_PerformanceIncentiveStockOptionPlanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_RestrictedStockMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=us-gaap_PerformanceSharesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |