Development Financing Agreement - Additional Information (Detail) - USD ($) $ in Millions					12 Months Ended
	Jan. 31, 2022	Nov. 30, 2021	Aug. 31, 2021	Jul. 30, 2021	Dec. 31, 2021
Debt Instrument [Line Items]
Line Of Credit Optional Amount Of Borrowing Capacity				$ 25.0
Description Of Percentage Fixed Success Payments			2.0
Repayments of Lines of Credit			$ 10.0
Percentage Optional Funding			133.00%
Description Of Percentage Variable Success Payments			1.1
Description Of Aggregate Return From The Funds Provided			3.1
Aggregate Return Percentage From The Funds Provided			$ 232.5
Percentage of Accelerate Payment Payable On Funds provided			1.35
Description Repayments On Funds Provided Upon Termination Of Financing Agreement			2.0
Aggregate Return From The Optional Funds Provided			$ 310.0
Percentage of Unamortized Portion of The Development Financing Liability					20.00%
Fixed Success Payments [Member]
Debt Instrument [Line Items]
Anniversary Payments Due Year One			15.0
Anniversary Payments Due Year Two			22.5
Anniversary Payments Due Year Three			22.5
Anniversary Payments Due Year Four			25.0
Anniversary Payments Due Year Five			27.5
Anniversary Payments Due Year Six			27.5
Variable Success Payments [Member]
Debt Instrument [Line Items]
Payments Upon Reaching Cumulative US Product Sales Thresholds Year One			17.5
Payments Upon Reaching Cumulative US Product Sales Thresholds Year Two			27.5
Payments upon reaching product sales run rate			37.5
Installment Funding Number Three [Member]
Debt Instrument [Line Items]
Proceeds from Lines of Credit	$ 25.0
ABW Cyclops SPV LP [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity				100.0
Proceeds from Lines of Credit				75.0
Line Of Credit Optional Amount Of Borrowing Capacity				$ 25.0
ABW Cyclops SPV LP [Member] | Installment Funding Number One [Member]
Debt Instrument [Line Items]
Proceeds from Lines of Credit			$ 25.0
ABW Cyclops SPV LP [Member] | Installment Funding Number Two [Member]
Debt Instrument [Line Items]
Proceeds from Lines of Credit		$ 25.0
Financing Agreement Termination Event Condition One [Member] | ABW Cyclops SPV LP [Member]
Debt Instrument [Line Items]
Percentage of amount to be paid by entity upon the termination of the agreement					310.00%
Financing Agreement Termination Event Condition Two [Member] | ABW Cyclops SPV LP [Member]
Debt Instrument [Line Items]
Percentage of amount to be paid by entity upon the termination of the agreement					200.00%
Financing Agreement Termination Event Condition Three [Member] | ABW Cyclops SPV LP [Member]
Debt Instrument [Line Items]
Percentage of amount to be paid by entity upon the termination of the agreement					100.00%