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Acquisitions - Additional Information (Detail) - USD ($) | Mar. 13, 2020 | Dec. 17, 2019 | Jun. 30, 2020 | Dec. 31, 2019
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Business Acquisition [Line Items] |  |  |  |
Goodwill |  |  | $ 22,712,000 | $ 26,086,000
Logos Technologies LLC's Nat Sur Fact Business [Member] | Surfactants [Member] | 2020 Acquisition [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Paid from cash on hand | $ 2,040,000 |  |  |
Logos Technologies LLC's Nat Sur Fact Business [Member] | Surfactants [Member] | 2020 Acquisition [Member] | Trademarks and Know-how [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Intangible assets acquired | 1,392,000 |  |  |
Logos Technologies LLC's Nat Sur Fact Business [Member] | Surfactants [Member] | 2020 Acquisition [Member] | Patents [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Intangible assets acquired | 464,000 |  |  |
Logos Technologies LLC's Nat Sur Fact Business [Member] | Surfactants [Member] | 2020 Acquisition [Member] | Laboratory Equipment [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Equipment acquired | $ 184,000 |  |  |
Oilfield Demulsifier Product Line [Member] | Surfactants [Member] | 2019 Acquisition [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Paid from cash on hand |  | $ 9,000,000 |  |
Goodwill |  | $ 3,161,000 |  |
Weighted average amortization periods of identifiable intangibles assets |  | 20 years |  |
Oilfield Demulsifier Product Line [Member] | Surfactants [Member] | 2019 Acquisition [Member] | Product Know-how [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Intangible assets identified related to acquisition |  | $ 3,300,000 |  |
Oilfield Demulsifier Product Line [Member] | Surfactants [Member] | 2019 Acquisition [Member] | Customer Relationships [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Intangible assets identified related to acquisition |  | $ 1,900,000 |  |

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition The amount of identifiable intangible assets recognized as of the acquisition date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=116868840&loc=d3e2207-128464 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472 + Details
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3213-108585 + Details
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