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v3.19.3

Segment Reporting Net Sales and Operating Earnings (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] |  |  |  |
Net sales | $ 39,311 | $ 39,312 | $ 115,417 | $ 113,349
Loss from operations | (4,858) | (1,857) | (17,771) | (8,269)
Net interest and other income (expense) | 1,058 | (66) | 1,532 | (372)
Loss from continuing operations before income tax (benefit) expense | (3,800) | (1,923) | (16,239) | (8,641)
Operating Segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Loss from operations | (438) | 2,426 | (4,051) | 4,500
Operating Segments | Mobile connectivity |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 31,642 | 29,220 | 92,025 | 86,277
Loss from operations | (267) | 506 | (4,075) | 682
Operating Segments | Inertial navigation |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Net sales | 7,669 | 10,092 | 23,392 | 27,072
Loss from operations | (171) | 1,920 | 24 | 3,818
Unallocated |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Loss from operations | $ (4,420) | $ (4,283) | $ (13,720) | $ (12,769)

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