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Accrued Liabilities

12 Months Ended

Dec. 31, 2020

Payables And Accruals [Abstract]

Accrued Liabilities

8. Accrued Liabilities

Accrued liabilities as of December 31, 2020 and 2019 consisted of the following (in thousands):

		December 31,
		2020				2019
Professional fees		$	3,219			$	1,011
Clinical and contract research organization costs			1,781				30
Travel and entertainment			91				157
Tax liabilities			1,767				2,062
Purchases of property and equipment			4,423				555
Other			1,881				556
Total accrued liabilities		$	13,162			$	4,371

The accrued tax liabilities balance as of December 31, 2020 includes a $1.4 million tax withholding liability related to unsettled option exercises as of December 31, 2020. The accrued tax liabilities balance as of December 31, 2019 includes a $1.9 million tax withholding liability related to unsettled option exercises as of December 31, 2019.

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- Definition

The entire disclosure for accounts payable and accrued liabilities at the end of the reporting period.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(a),20,24)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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- References

No definition available.

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