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Intangible Assets - Schedule of Finite-Lived Intangible Assets (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2017 | Dec. 31, 2016
Gross Carrying Amount | $ 4,963 | $ 4,897
Accumulated Amortization | (3,340) | (3,059)
Net Carrying Amount | 1,623 | 1,838
Patent [Member] |  |
Gross Carrying Amount | 643 | 577
Accumulated Amortization | (298) | (274)
Net Carrying Amount | $ 345 | 303
Patent [Member] | Minimum [Member] |  |
Useful Lives (Years) | 3 years |
Patent [Member] | Maximum [Member] |  |
Useful Lives (Years) | 17 years |
Software [Member] |  |
Gross Carrying Amount | $ 405 | 405
Accumulated Amortization | (396) | (383)
Net Carrying Amount | $ 9 | 22
Useful Lives (Years) | 3 years |
Customer Relationships [Member] |  |
Gross Carrying Amount | $ 3,370 | 3,370
Accumulated Amortization | (2,178) | (1,974)
Net Carrying Amount | $ 1,192 | 1,396
Useful Lives (Years) | 12 years |
Permit [Member] |  |
Gross Carrying Amount | $ 545 | 545
Accumulated Amortization | (468) | (428)
Net Carrying Amount | $ 77 | $ 117
Useful Lives (Years) | 10 years |

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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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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/presentationRef -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/presentationRef -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 after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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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