XML 49 R39.htm IDEA: XBRL DOCUMENT
v3.21.1

Stock Based Compensation (Tables) | 3 Months Ended
--- | ---
Mar. 31, 2021
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 amortization period.
|  | Stock-Based Compensation for the Three months Period |  |  | Unamortized Stock-Based Compensation as of March 31 |  |  | Remaining Weighted Average Period (years) |
March 31, 2021 |  |  |  |  |  |  |  |  |  |  |  |
Time-Based Restricted Stock |  | $ | 1,057 |  |  | $ | 5,703 |  |  |  | 1.8 |
Unrestricted Stock |  |  | 110 |  |  |  | 73 |  |  |  | 0.2 |
Performance-Based Restricted Stock |  |  | 625 |  |  |  | 2,698 |  |  |  | 1.8 |
Total |  | $ | 1,792 |  |  | $ | 8,474 |  |  |  |  |
March 31, 2020 |  |  |  |  |  |  |  |  |  |  |  |
Time-Based Restricted Stock |  | $ | 776 |  |  | $ | 4,555 |  |  |  | 1.5 |
Unrestricted Stock |  |  | 123 |  |  |  | 82 |  |  |  | 0.2 |
Performance-Based Restricted Stock |  |  | 458 |  |  |  | 2,288 |  |  |  | 1.7 |
Total |  | $ | 1,357 |  |  | $ | 6,925 |  |  |  |  |
Incentive Stock Option Plans | Activity of the incentive stock option plans:
|  | Number of Shares |  |  | Weighted Average Price Per Share |
Balance outstanding, December 31, 2020 |  |  | 123,087 |  |  | $ | 11.48 |
Options exercised |  |  | (5,838 | ) |  |  | 11.49 |
Balance outstanding, March 31, 2021 |  |  | 117,249 |  |  | $ | 11.48 |
Activity of the performance incentive stock option plan:
|  | Number of Shares |  |  | Weighted Average Price Per Share |
Balance outstanding, December 31, 2020 |  |  | 114,658 |  |  | $ | 11.49 |
Options exercised |  |  | — |  |  |  | — |
Balance outstanding, March 31, 2021 |  |  | 114,658 |  |  | $ | 11.49 |
Summarized By Exercise Price | Outstanding at March 31, 2021, summarized by exercise price:
|  | Outstanding Weighted Average |
Exercise Price Per Share |  | Shares |  |  | Remaining Life (Months) |  |  | Exercise Price |
Incentive Stock Option Plan: |  |  |  |  |  |  |  |  |  |  |  |
$11.32 |  |  | 7,200 |  |  |  | 3 |  |  | $ | 7.5 |
$14.49 |  |  | 110,049 |  |  |  | 45 |  |  | $ | 11.49 |
|  |  | 117,249 |  |  |  |  |  |  | $ | 11.48 |
Restricted and Unrestricted Stock |
Summary of Nonvested Shares | Restricted and Unrestricted Stock — A summary of nonvested time based restricted and unrestricted stock is presented below:
|  | Three Months Ended March 31, 2021 |  |  | Three Months Ended March 31, 2020 |
|  | Number of Shares |  |  | Weighted Average Grant Date Fair Value |  |  | Number of Shares |  |  | Weighted Average Grant Date Fair Value |
Nonvested shares at December 31st |  |  | 820,624 |  |  | $ | 16.64 |  |  |  | 719,845 |  |  | $ | 17.67 |
Granted |  |  | — |  |  |  | — |  |  |  | 4,185 |  |  |  | 18.63 |
Vested |  |  | (197,615 | ) |  |  | 19.91 |  |  |  | (213,781 | ) |  |  | 16.18 |
Forfeited |  |  | (11,580 | ) |  |  | 16.95 |  |  |  | (14,715 | ) |  |  | 18.08 |
Nonvested shares at March 31st |  |  | 611,429 |  |  | $ | 15.57 |  |  |  | 495,534 |  |  | $ | 18.31 |
Performance Based Restricted Stock |
Summary of Nonvested Shares | Performance-Based Restricted Stock — A summary of nonvested performance-based stock is presented below:
|  | Three Months Ended March 31, 2021 |  |  | Three Months Ended March 31, 2020 |
|  | Number of Shares |  |  | Weighted Average Grant Date Fair Value |  |  | Number of Shares |  |  | Weighted Average Grant Date Fair Value |
Nonvested shares at December 31st |  |  | 391,771 |  |  | $ | 16.26 |  |  |  | 345,432 |  |  | $ | 16.92 |
Granted |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Additional granted based on performance achievement |  |  | 71,180 |  |  |  | 20.53 |  |  |  | 76,445 |  |  |  | 16.56 |
Vested |  |  | (175,087 | ) |  |  | 19.78 |  |  |  | (184,785 | ) |  |  | 15.87 |
Forfeited |  |  | (505 | ) |  |  | 19.26 |  |  |  | (3,759 | ) |  |  | 17.23 |
Nonvested shares at March 31st |  |  | 287,359 |  |  | $ | 15.16 |  |  |  | 233,333 |  |  | $ | 17.63 |

X
- Definition Tabular disclosure of share-based payment arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + 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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=120381028&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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=120381028&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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=120381028&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_AwardTypeAxis=avd_RestrictedAndUnrestrictedStockMember
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: |