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Business Acquisition - Summary of Preliminary Allocation (Detail) - USD ($) $ in Thousands |  | 6 Months Ended |
--- | --- | --- | ---
Apr. 01, 2019 | Jun. 30, 2019 | Jun. 30, 2018 | Dec. 31, 2018
Business Acquisition [Line Items] |  |  |  |
Purchase price, cash consideration, net of cash acquired |  | $ 15,476 | $ 15 |
Goodwill |  | $ 65,114 |  | $ 55,311
Stihler Electronic GmbH |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Purchase price, cash consideration, net of cash acquired | $ 14,823 |  |  |
Business combination future contingent consideration milestone payment | 653 |  |  |
Total purchase price, net of cash acquired | 15,476 |  |  |
Accounts receivable | 883 |  |  |
Inventory | 1,698 |  |  |
Prepaid expenses and other assets | 241 |  |  |
Operating lease right-of-use assets | 263 |  |  |
Property and equipment | 260 |  |  |
Other intangible assets | 4,380 |  |  |
Goodwill | 9,816 |  |  |
Assumed liabilities | (2,065) |  |  |
Net assets acquired | $ 15,476 |  |  |

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- Definition Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, 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=84161108&loc=d3e4845-128472 + Details
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