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Schedule of Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2021 | Dec. 31, 2020
Finite-Lived Intangible Assets [Line Items] |  |
Gross Carrying Amount | $ 4,742 | $ 4,530
Accumulated Amortization | (3,807) | (3,655)
Finite-Lived Intangible Assets, Net | $ 935 | 875
Patents [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Amortization Period (Years) | 12 years 6 months |
Gross Carrying Amount | $ 784 | 742
Accumulated Amortization | (348) | (334)
Finite-Lived Intangible Assets, Net | $ 436 | 408
Software [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Amortization Period (Years) | 3 years |
Gross Carrying Amount | $ 588 | 418
Accumulated Amortization | (415) | (411)
Finite-Lived Intangible Assets, Net | $ 173 | 7
Customer Relationships [Member] |  |
Finite-Lived Intangible Assets [Line Items] |  |
Weighted Average Amortization Period (Years) | 10 years |
Gross Carrying Amount | $ 3,370 | 3,370
Accumulated Amortization | (3,044) | (2,910)
Finite-Lived Intangible Assets, Net | $ 326 | $ 460

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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 928 -SubTopic 340 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6473545&loc=d3e61844-108004 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 + Details
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- Definition Remaining amortization period of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 926 -SubTopic 20 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=120154696&loc=d3e54445-107959 + Details
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