Balance Sheet Accounts - Other Liabilities, Long-Term (Details) - USD ($) $ in Thousands |
Mar. 31, 2020 |
Dec. 31, 2019 |
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| Balance Sheet Accounts - Other Liabilities, Short-Term [Abstract] | ||
| Deferred revenue | $ 1,405 | $ 1,344 |
| Cash payable for asset acquisitions | 379 | 781 |
| Other | 342 | 336 |
| Other liabilities, long term | $ 2,126 | $ 2,461 |
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- Definition Balance Sheet Accounts - Other Liabilities, Short-Term [Abstract] No definition available.
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- Definition Cash Payable For Asset Acquisition, Noncurrent No definition available.
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Obligations not otherwise itemized or categorized in the footnotes to the financial statements that are expected to be paid after one year (or the normal operating cycle, if longer), from the balance sheet date. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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