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Equity Plans and Stock-Based Compensation - Stock-Based Compensation Expense (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items]
Stock-based compensation expense	$ 7,929	$ 5,024	$ 15,575	$ 9,747
Research and Development
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items]
Stock-based compensation expense	1,463	937	2,739	1,809
Selling, General and Administrative
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items]
Stock-based compensation expense	5,597	3,445	11,024	6,589
Cost of Sales - Product
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items]
Stock-based compensation expense	143	155	303	324
Inventory
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items]
Stock-based compensation expense	$ 726	$ 487	$ 1,509	$ 1,025

X

- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(ii)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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Amount of cost expensed and capitalized for award under share-based payment arrangement.

+ References

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-SubTopic 10
-Section 50
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-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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