XML 79 R60.htm IDEA: XBRL DOCUMENT v2.4.0.8

Major Customers and Export Sales - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Customer One
Segment Reporting Information [Line Items]
Percentage to company consolidated sales	17.00%	19.00%	17.00%
Percentage of customer receivables	14.00%	20.00%	17.00%
Customer Two
Segment Reporting Information [Line Items]
Percentage to company consolidated sales	13.00%	10.00%	11.00%
Percentage of customer receivables	10.00%	11.00%	15.00%
Customer Three
Segment Reporting Information [Line Items]
Percentage to company consolidated sales	8.00%	8.00%	9.00%
Percentage of customer receivables	8.00%	7.00%	9.00%

X

- Definition

Entity Wide Trade Receivables Major Customer Percentage

+ References

No definition available.

+ Details

Name:	avd_EntityWideTradeReceivablesMajorCustomerPercentage
Namespace Prefix:	avd_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13537-108611



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592



Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13531-108611



Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 18

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592

+ Details

Name:	us-gaap_ConcentrationRiskPercentage1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_SegmentReportingInformationLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration