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Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Dec. 31, 2019
Gross Carrying Amount | $ 4,551 | $ 4,544
Accumulated Amortization | (3,533) | (3,479)
Finite-Lived Intangible Assets, Net | $ 1,018 | 1,065
Patent [Member] |  |
Weighted Average Amortization Period (Years) | 11 years |
Gross Carrying Amount | $ 761 | 760
Accumulated Amortization | (364) | (358)
Finite-Lived Intangible Assets, Net | $ 397 | 402
Software [Member] |  |
Weighted Average Amortization Period (Years) | 3 years |
Gross Carrying Amount | $ 420 | 414
Accumulated Amortization | (408) | (408)
Finite-Lived Intangible Assets, Net | $ 12 | 6
Customer Relationships [Member] |  |
Weighted Average Amortization Period (Years) | 10 years |
Gross Carrying Amount | $ 3,370 | 3,370
Accumulated Amortization | (2,761) | (2,713)
Finite-Lived Intangible Assets, Net | $ 609 | $ 657

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