Debt - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands										1 Months Ended	3 Months Ended		9 Months Ended		12 Months Ended
	Jul. 19, 2024	Nov. 02, 2023	Jul. 12, 2023	Dec. 23, 2022	Dec. 21, 2022	Aug. 05, 2022	Jun. 30, 2022	May 20, 2022	Dec. 11, 2020	Dec. 31, 2020	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023	Dec. 31, 2022	Jun. 30, 2024	Mar. 21, 2024	Apr. 26, 2023	Aug. 10, 2022
Debt Instrument [Line Items]
Proceeds from long term line of credit													$ 7,000	$ 5,500
Line of credit facility outstanding current											$ 1,533		1,533		$ 878
Proceeds from convertible debt				$ 16,700		$ 5,000		$ 8,300								$ 30,000
Interest expenses on convertible debt															1,500
Convertible debt, fair value disclosures															$ 38,600
Other income (expense)											$ 1,219	$ 84	$ 3,767	$ 827
Debt instrument converted into equity number of shares issued											1,433,410	1,433,410	1,433,410	1,433,410
Gain on conversion of the Convertible Notes													$ 15,900
Change in fair value
Debt Instrument [Line Items]
Other income (expense)												$ 6,300		$ 5,000
Two Thousand And Twenty And Two Thousand And Twenty Three Term A Loan [Member]
Debt Instrument [Line Items]
Interest expenses											$ 300	100	$ 700	300
Debt instrument effective rate of interest percentage											9.54%		9.54%		10.42%
Convertible Debt Agreement [Member]
Debt Instrument [Line Items]
Debt instrument face value								$ 30,000
Convertible debt interest rate percentage								5.00%
Interest expenses on convertible debt											$ 300	$ 400	$ 300	$ 700
Debt instrument conversion price percentage								90.00%
Debt instrument converted into equity number of shares issued													1,433,410
Convertible Debt Agreement [Member] | Series B Redeemable Convertible Preferred Stock [Member]
Debt Instrument [Line Items]
Debt instrument conversion price per share								$ 1.0971
Convertible Debt Agreement [Member] | Current Liabilities [Member]
Debt Instrument [Line Items]
Convertible debt, fair value disclosures															$ 38,600
Loan And Security Agreement With Silicon Valley Bank [Member]
Debt Instrument [Line Items]
Class of warrants or rights number of securities covered by warrants or rights									7,988
Class of warrants or rights term									10 years
Loan And Security Agreement With Silicon Valley Bank [Member] | Warrants Issued To Silicon Valley Bank [Member]
Debt Instrument [Line Items]
Fair value of warrants issued									$ 39
Loan And Security Agreement With Silicon Valley Bank [Member] | Two Thousand And Twenty Term A Loan Advance [Member]
Debt Instrument [Line Items]
Line of credit maximum borrowing capacity									25,000
Proceeds from long term line of credit									5,000
Line of credit remaining borrowing capacity										$ 20,000
Long term debt variable interest rate percentage										3.25%
Line of credit facility date of first required payment										Jul. 01, 2022
Line of credit facility expiration date										Dec. 01, 2023
Line of credit facility commitment fee amount									$ 100
Line of credit facility commitment fee percentage									2.00%
Long term debt balloon payment percentage										2.00%
Loan And Security Second Amendment Agreement With Silicon Valley Bank [Member] | Two Thousand And Twenty Term A Loan Advance [Member]
Debt Instrument [Line Items]
Line of credit facility expiration date							Dec. 31, 2024
Long term debt balloon payment percentage							4.00%
Line of credit facility frequency of payments							24 equal monthly payments of principal plus interest, with a loan maturity date of
Loan And Security Third Amendment Agreement With Silicon Valley Bank [Member] | Two Thousand And Twenty Term A Loan Advance [Member] | Restricted Cash Non Current [Member]
Debt Instrument [Line Items]
Debt instrument collateral given																				$ 5,000
Loan And Security Fourth Amendment Agreement With Silicon Valley Bank [Member] | Two Thousand And Twenty Term A Loan Advance [Member]
Debt Instrument [Line Items]
Line of credit facility expiration date	Jul. 01, 2027				Dec. 01, 2024
Debt instrument terms of payment	24 equal monthly payments of principal plus interest				18 equal monthly payments of principal plus interest, with a loan maturity date of
Loan And Security Fifth Amendment Agreement With Silicon Valley Bank [Member] | Two Thousand And Twenty Term A Loan Advance [Member]
Debt Instrument [Line Items]
Percentage of consolidated cash to be maintained with the lender																			50.00%
Unrestricted and unencumbered cash percentage to be maintained																			100.00%
Percentage of outstanding debt to be maintained with the lender by way of cash																			110.00%
Sixth Amendment Agreement With Silicon Valley Bank [Member]
Debt Instrument [Line Items]
Class of warrants or rights number of securities covered by warrants or rights			10,156
Class of warrants or rights exercise price per share			$ 7.5						$ 6.87
Class of warrants or rights term			10 years
Sixth Amendment Agreement With Silicon Valley Bank [Member] | Tranche Two Milestone [Member]
Debt Instrument [Line Items]
Class of warrants or rights number of securities covered by warrants or rights			5,078
Sixth Amendment Agreement With Silicon Valley Bank [Member] | Two Thousand And Twenty Term A Loan Advance [Member]
Debt Instrument [Line Items]
Line of credit facility outstanding current			$ 5,000
Long term debt balloon payment			$ 200
Sixth Amendment Agreement With Silicon Valley Bank [Member] | Two Thousand And Twenty Three Term A Loan Advance [Member]
Debt Instrument [Line Items]
Long term debt variable interest rate percentage																	8.00%
Debt instrument terms of payment			The interest-only period was extended through June 30, 2024 followed by 36 equal monthly payments of principal plus interest
Line of credit facility aggregate amount including balloon repayment payable			$ 5,500
Debt instrument variable interest spread			0.25%
Sixth Amendment Agreement With Silicon Valley Bank [Member] | Two Thousand And Twenty Three Term A Loan Advance [Member] | Before Thirty First Of March Two Thousand And Twenty Four [Member]
Debt Instrument [Line Items]
Line of credit facility amount that may be contingently borrowed			$ 7,000
Sixth Amendment Agreement With Silicon Valley Bank [Member] | Two Thousand And Twenty Three Term A Loan Advance [Member] | Before Thirty First Of March Two Thousand And Twenty Five [Member]
Debt Instrument [Line Items]
Line of credit facility amount that may be contingently borrowed			7,500
Sixth Amendment Agreement With Silicon Valley Bank [Member] | Two Thousand And Twenty Three Term A Loan Advance [Member] | Before Thirty First Of March Two Thousand And Twenty Six [Member]
Debt Instrument [Line Items]
Line of credit facility amount that may be contingently borrowed			$ 5,000
Seventh Amendment To The Loan Agreement [Member] | Two Thousand And Twenty Three Term A Loan Advance [Member] | Before Thirty First Of March Two Thousand And Twenty Four [Member]
Debt Instrument [Line Items]
Face value of debt instrument that may be contingently borrowed		$ 7,000
Estimated aggregate proceeds from debt and equity		75,000
Estimated aggregate proceeds from equity		$ 37,500
Eighth Amendment to the Loan Agreement [Member] | Two Thousand And Twenty Three Term A Loan Advance [Member]
Debt Instrument [Line Items]
Line of credit facility aggregate amount including balloon repayment payable																		$ 7,000