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v3.19.3

Segment Reporting Deprecation and Amortization Expense (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Segment Reporting Information [Line Items] |  |  |  |
Depreciation | $ 2,246 | $ 1,760 | $ 6,453 | $ 5,016
Amortization expense | 237 | 246 | 732 | 764
Operating Segments | Mobile connectivity |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Depreciation | 1,824 | 1,367 | 5,163 | 3,848
Amortization expense | 237 | 246 | 732 | 764
Operating Segments | Inertial navigation |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Depreciation | 280 | 260 | 874 | 766
Amortization expense | 0 | 0 | 0 | 0
Unallocated |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Depreciation | 142 | 133 | 416 | 402
Amortization expense | $ 0 | $ 0 | $ 0 | $ 0

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- Definition The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585 + Details
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