Certain Balance Sheet Items - Deferred Revenue (Details) - USD ($) $ in Thousands |
Dec. 31, 2019 |
Dec. 31, 2018 |
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Deferred revenue | ||
Total deferred revenue | $ 5,259 | $ 9,255 |
Contract with Customer, Liability, Current | 4,012 | 4,247 |
Less current portion | 4,247 | |
Deferred revenue, net of current portion | 1,247 | 5,008 |
License Fees And Event-Based [Member] | ||
Deferred revenue | ||
Contract with Customer, Liability | 2,764 | 2,264 |
Product sales, net | Product sales, net | ||
Deferred revenue | ||
Contract with Customer, Liability | $ 2,495 | $ 6,991 |
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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 current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as current. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of deferred income and obligation to transfer product and 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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