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Common Stock - Summary of Stock Options Activity (Detail)	3 Months Ended
	Mar. 31, 2022 $ / shares shares
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Number of Optioned Common Shares, Beginning Balance | shares	522,090
Number of shares granted | shares	267,850
Number of Optioned Common Shares, Ending Balance | shares	789,940
Weighted Average Exercise Price, Beginning Balance | $ / shares	$ 26.11
Weighted Average Exercise Price, Granted | $ / shares	8.05
Weighted Average Exercise Price, Ending Balance | $ / shares	$ 19.98

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Gross number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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