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v3.7.0.1

Segment Reporting (Details Textual) - Segment | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Segment Reporting Information [Line Items] |  |  |
Number of Reportable Segments | 2 |  |
Mobile Connectivity [Member] | Mobile Comm Product Sales [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Percent of Consolidated Net Sales | 23.00% | 23.00% | 25.00%
Mobile Connectivity [Member] | VSAT Airtime Service Sales [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Percent of Consolidated Net Sales | 37.00% | 35.00% | 35.00%
Mobile Connectivity [Member] | Training and Content Sales [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Percent of Consolidated Net Sales | 20.00% | 21.00% | 14.00%
Intertial Navigation [Member] | FOG System Sales [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Percent of Consolidated Net Sales | 10.00% | 10.00% | 12.00%
Intertial Navigation [Member] | TACNAV System Sales [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Percent of Consolidated Net Sales | 8.00% | 8.00% | 11.00%
Non-US [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Percent of consolidated long-lived tangible assets (less than) | 10.00% | 10.00% |
Percent of Consolidated Net Sales | 63.00% | 67.00% | 58.00%
CANADA |  |  |
Segment Reporting Information [Line Items] |  |  |
Percent of Consolidated Net Sales | 11.00% | 10.00% |

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- Definition Percent of Consolidated Net Sales + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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- Definition Percent of consolidated long-lived tangible assets + References No definition available. + Details
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Data Type: | num:percentItemType
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Period Type: | instant

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- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Details
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Namespace Prefix: |
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Period Type: |

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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Balance Type: |
Period Type: |

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- Details
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- Details
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- Details
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Period Type: |

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- Details
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Period Type: |

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- Details
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- Details
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Period Type: |