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Balance Sheet Account Detail - Accounts Payable and Accrued Liabilities (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Dec. 31, 2020
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Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |
Trade accounts payable and other | $ 3,303 | $ 2,237
Operating lease liability, current portion | 229 | 282
Accrued clinical studies | 3,358 | 1,524
Contract liability | 1,504 | 0
Income taxes payable | 342 | 0
Employee stock option early exercise liability, current portion | 249 | 304
Accounts payable and other accrued liabilities | $ 8,985 | $ 4,347

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- Definition Amount of liabilities incurred to vendors for goods and services received, and accrued liabilities classified as other, payable within one year or the normal operating cycle, if longer. + References No definition available. + Details
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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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=123360276&loc=SL49130531-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123360276&loc=SL49130532-203044 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130549-203045 + Details
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