Equity method investment ownership percentage by other company.

No definition available.

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- Definition

Interest in joint venture foreign.

+ References

No definition available.

+ Details

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- Definition

Joint venture agreement extended expiration date.

+ References

No definition available.

+ Details

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- Definition

Joint venture expiration year.

+ References

No definition available.

+ Details

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- Definition

The term, with the joint venture was formed.

+ References

No definition available.

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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 323
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=114001798&loc=d3e33918-111571

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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130539-203045

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Investments in Foreign Joint Venture - Additional Information (Detail)	1 Months Ended	3 Months Ended		9 Months Ended
	Mar. 31, 2018	Sep. 30, 2018 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2018 USD ($) Joint_Ventures	Sep. 30, 2017 USD ($)
Schedule Of Equity Method Investments [Line Items]
Interest in joint venture foreign \| Joint_Ventures				1
Net sales		$ 1,934,000	$ 1,456,000	$ 5,885,000	$ 4,002,000
Affiliated Entity
Schedule Of Equity Method Investments [Line Items]
Net sales		$ 0	$ 0	$ 0	$ 0
BOMAY
Schedule Of Equity Method Investments [Line Items]
Equity method investment, ownership percentage		40.00%		40.00%
Joint venture expiration year				2018
Joint venture term				12 years
Joint venture agreement extended expiration date	Apr. 17, 2028
Baoji Oilfield Machinery Co. Ltd.
Schedule Of Equity Method Investments [Line Items]
Interest in Joint Venture		51.00%		51.00%
AA Energies, Inc.
Schedule Of Equity Method Investments [Line Items]
Interest in Joint Venture		9.00%		9.00%