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Business Combinations - Additional Information (Detail) - USD ($) $ in Thousands |  |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | --- | ---
Oct. 31, 2019 | Jan. 04, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Acquisition-related costs |  |  |  |  |  |  |  |  | $ 448 |
Business acquisition contingent consideration, non-current |  |  | $ 385 |  |  |  |  |  | 385 |
Change in the estimated fair value of acquisition-related contingent consideration |  |  | (2,387) |  |  |  |  |  | (843) |
Revenues |  |  | 35,989 |  |  | $ 45,885 |  |  | 104,937 | $ 131,497
Net income (loss) |  |  | 13,078 | $ 4,398 | $ (3,258) | $ 8,096 | $ 4,121 | $ (2,119) | 14,218 | $ 10,098
Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Business acquisition contingent consideration | $ 3,500 |  |  |  |  |  |  |  |  |
Change in the estimated fair value of acquisition-related contingent consideration | $ 500 |  |  |  |  |  |  |  |  |
Corebiome Inc. and Novosanis NV [Member] |  |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |  |
Purchase price |  | $ 13,320 |  |  |  |  |  |  |  |
Acquisition-related costs |  |  |  |  |  |  |  |  | 597 |
Business acquisition contingent consideration, non-current |  |  | 32,400 |  |  |  |  |  | $ 32,400 |
Business combination contingent consideration expected payment period |  |  |  |  |  |  |  |  | 3 years |
Estimated fair value of contingent consideration |  | $ 4,350 |  |  |  |  |  |  |  |
Business acquisition contingent consideration |  |  | 3,424 |  |  |  |  |  | $ 3,424 |
Revenues |  |  | 1,437 |  |  |  |  |  | 3,482 |
Net income (loss) |  |  | $ 1,377 |  |  |  |  |  | $ (1,142) |

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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=116868678&loc=d3e1043-128460 + Details
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- Definition Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e7008-128479 + Details
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- Definition Amount of liability recognized arising from contingent consideration in a business combination. + 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 (c)(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 805 -SubTopic 30 -Section 35 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=116859824&loc=d3e6819-128478 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476 + Details
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- Definition Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled beyond one year or the normal operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 25 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6911189&loc=d3e6408-128476 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 35 -Paragraph 1 -Subparagraph b -URI http://asc.fasb.org/extlink&oid=116859824&loc=d3e6819-128478 + Details
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