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Acquisitions - Additional Information (Detail) - USD ($) $ in Thousands |  | 7 Months Ended | 12 Months Ended
--- | --- | --- | ---
Aug. 01, 2017 | Dec. 31, 2019 | Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Business Acquisition [Line Items] |  |  |  |  |
Value of common stock issued |  |  | $ 53,938 |  | $ 247,575
Working capital adjustment |  |  |  |  | 425
Fair value of tangible assets acquired |  | $ 30,756 | 30,756 |  | 19,709
Fair value of acquired finite lived intangible assets |  | 90,830 | 90,830 |  | 120,080
Deferred tax asset |  | 895 | 895 |  |
Employees |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Transaction costs |  |  | 9,000 |  |
Business combination separtely recognised transactions liabiliites recognised |  | 5,200 | 5,200 |  |
Selling, general and administrative |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Transaction costs |  | 4,000 | 4,000 |  |
Spectrum Inc. |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Cash consideration | $ 122,932 |  |  |  |
Shares issued for business acquisition | 6,153,995 |  |  |  |
Value of common stock issued | $ 247,575 |  |  |  |
Working capital adjustment | 425 |  |  |  |
Business combination, consideration transferred | 370,932 |  |  |  |
Fair value of net assets acquired | 370,900 |  |  |  |
Fair value of acquired finite lived intangible assets |  | 90,800 | 90,800 |  |
Acquisition of C Technologies, Inc. |  |  |  | $ 203 |
Business acquisition, revenue | $ 19,400 |  |  |  |
Cash consideration for future employment |  |  | 9,000 |  |
Business acquisitions proforma net loss |  |  |  |  | 17,220
Spectrum Inc. | Selling, general and administrative |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Business Combination, Acquisition Related Costs |  |  |  | 2,900 | $ 7,100
C Technologies, Inc. |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Cash |  |  | 195,000 |  |
Cash consideration |  |  | $ 185,949 |  |
Shares issued for business acquisition |  |  | 779,221 |  |
Value of common stock issued |  |  | $ 53,938 |  |
Business combination, consideration transferred |  |  | 239,887 |  |
Fair value of net assets acquired |  | 239,887 | 239,887 |  |
Fair value of tangible assets acquired |  | 7,100 | 7,100 |  |
Acquisition of C Technologies, Inc. |  |  | 142,021 |  |
Business acquisition, revenue |  | 16,400 |  |  |
Business acquisitions proforma net loss |  | 7,400 | 23,394 | $ 21,195 |
Deferred tax asset |  | 900 | 900 |  |
C Technologies, Inc. | Accounting Standards Update Two Thousands Fifteen to Sixteen [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Cash consideration |  |  | 186,000 |  |
C Technologies, Inc. | Goodwill [Member] |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |
Intangible Asset Residual Value |  | $ 142,000 | $ 142,000 |  |

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- Definition The aggregate expected value at the end of their useful life of a major finite-lived intangible asset class acquired during the period either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. + 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)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275 + Details
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- Definition This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition Amount of deferred tax asset attributable to deductible temporary differences and carryforwards acquired at the acquisition date. + References Reference 1: 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 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=116821951&loc=d3e31917-109318 + Details
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