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Long‑Term Debt - Schedule of Long-term Debt (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2018 | Dec. 31, 2017
Debt Instrument [Line Items] |  |
Total debt | $ 17,449 | $ 17,471
Less: current portion of long-term debt | (3,491) | (2,363)
Noncurrent portion of long-term debt | 13,958 | 15,108
2014 Pacific Western Bank, Term and Revolving Loans |  |
Debt Instrument [Line Items] |  |
Total debt | 17,200 | 17,200
Equipment Loans | 2014 Finland equipment loans, Danske Bank, 3-5 year terms, EURIBOR plus 1.7% |  |
Debt Instrument [Line Items] |  |
Total debt | $ 73 | 80
Equipment Loans | 2014 Finland equipment loans, Danske Bank, 3-5 year terms, EURIBOR plus 1.7% | Minimum |  |
Debt Instrument [Line Items] |  |
Debt term | 3 years |
Equipment Loans | 2014 Finland equipment loans, Danske Bank, 3-5 year terms, EURIBOR plus 1.7% | Maximum |  |
Debt Instrument [Line Items] |  |
Debt term | 5 years |
Equipment Loans | 2014 Finland equipment loans, Danske Bank, 3-5 year terms, EURIBOR plus 1.7% | EURIBOR |  |
Debt Instrument [Line Items] |  |
Basis on variable rate | 1.70% |
Capital Lease Obligations |  |
Debt Instrument [Line Items] |  |
Total debt | $ 176 | $ 191

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- Definition Period of time between issuance and maturity of debt instrument, 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 Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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