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Schedule of Intangible Assets (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items] |  |  |
Total net amortized intangible assets | $ 1,190 | $ 1,440 |
Amortization | (235) | (250) |
Total net amortized intangible assets | 955 | 1,190 |
Total net intangible assets | 3,627 | 3,877 |
Total net intangible assets | 3,392 | 3,627 |
NLEX [Member] | Trade Name [Member] |  |  |
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items] |  |  |
Unamortized intangible assets | $ 2,437 | $ 2,437 | $ 2,437
Customer Network [Member] | HGP [Member] |  |  |
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items] |  |  |
Finite-Lived intangible asset, useful life | 12 years | 12 years |
Finite-Lived intangible assets, remaining amortization period | 3 years | 5 years 2 months 12 days |
Total net amortized intangible assets | $ 114 | $ 136 |
Amortization | (22) | (22) |
Total net amortized intangible assets | $ 92 | $ 114 |
HGP Trade Name [Member] |  |  |
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items] |  |  |
Finite-Lived intangible asset, useful life | 14 years | 14 years |
Finite-Lived intangible assets, remaining amortization period | 5 years | 7 years 2 months 12 days |
Total net amortized intangible assets | $ 746 | $ 850 |
Amortization | (104) | (104) |
Total net amortized intangible assets | $ 642 | $ 746 |
Customer Relationships [Member] | NLEX [Member] |  |  |
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items] |  |  |
Finite-Lived intangible asset, useful life | 7 years 7 months 6 days | 7 years 7 months 6 days |
Finite-Lived intangible assets, remaining amortization period | 2 years | 3 years 1 month 6 days |
Total net amortized intangible assets | $ 330 | $ 440 |
Amortization | (109) | (110) |
Total net amortized intangible assets | $ 221 | $ 330 |
Website [Member] | NLEX [Member] |  |  |
Finite And Indefinite Lived Intangible Assets By Major Class [Line Items] |  |  |
Finite-Lived intangible asset, useful life |  | 5 years |
Finite-Lived intangible assets, remaining amortization period |  | 0 years |
Total net amortized intangible assets |  | $ 14 |
Amortization |  | $ (14) |

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- Definition Sum of the carrying amounts of all intangible assets, excluding goodwill, net of amortization and impairment charges. + References No definition available. + Details
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