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v3.20.4

Segment Reporting - Net Sales and Operating Income (Loss) (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2020 | Dec. 31, 2019
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | $ 158,733,000 | $ 157,893,000
Operating income (loss) | $ (11,350,000) | $ (503,000) | $ (3,436,000) | $ (7,648,000) | $ (3,325,000) | $ (4,858,000) | $ (6,679,000) | $ (6,234,000) | (22,937,000) | (21,096,000)
Net interest and other income |  |  |  |  |  |  |  |  | 1,171,000 | 1,084,000
Loss from continuing operations before income tax expense (benefit) |  |  |  |  |  |  |  |  | (21,766,000) | (20,012,000)
Impairment charge to goodwill and intangibles | $ 10,490,000 |  |  |  |  |  |  |  | 10,490,000 | 0
KVH Media Group Reporting Unit |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |
Impairment charge to goodwill and intangibles |  |  |  |  |  |  |  |  | 10,490,000 |
Operating Segments |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |
Operating income (loss) |  |  |  |  |  |  |  |  | (5,272,000) | (2,608,000)
Operating Segments | Mobile Connectivity |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 119,453,000 | 122,015,000
Operating income (loss) |  |  |  |  |  |  |  |  | (10,071,000) | (5,569,000)
Operating Segments | Intertial Navigation |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 39,280,000 | 35,878,000
Operating income (loss) |  |  |  |  |  |  |  |  | 4,799,000 | 2,961,000
Unallocated, net |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |
Operating income (loss) |  |  |  |  |  |  |  |  | $ (17,665,000) | $ (18,488,000)

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