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Revenue from Contracts with Customers (Tables) | 3 Months Ended
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Mar. 31, 2021
Revenue from Contract with Customer [Abstract] |
Net Sales from Contracts with Customers | The following table summarizes net sales from contracts with customers for the three months ended March 31, 2021 and 2020:
| Three Months Ended
| March 31,
| 2021 |  | 2020
Mobile connectivity product, transferred at point in time | $ | 6,088 |  |  | $ | 5,986 |
Mobile connectivity product, transferred over time | 803 |  |  | 606 |
Mobile connectivity service | 23,616 |  |  | 22,304 |
Inertial navigation product | 11,541 |  |  | 6,502 |
Inertial navigation service | 244 |  |  | 1,170 |
Total net sales | $ | 42,292 |  |  | $ | 36,568 |

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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130545-203045 + Details
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