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ACQUISITION - Narrative (Details) - CAS Medical Systems, Inc. - USD ($) $ / shares in Units, $ in Millions | Apr. 18, 2019 | Feb. 11, 2019
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Business Acquisition [Line Items] |  |
Consideration per share to be transferred (in dollars per share) |  | $ 2.45
Acquisition price, subject to certain adjustments |  | $ 100.0
Cash purchase price | $ 100.8 |
Acquisition-related costs | $ 2.0 |
Developed technology |  |
Business Acquisition [Line Items] |  |
Weighted average useful life | 14 years |
Customer relationships |  |
Business Acquisition [Line Items] |  |
Weighted average useful life | 10 years |

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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 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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