Stockholders' Equity (Deficit) - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions			1 Months Ended		3 Months Ended
	Jan. 02, 2024	Apr. 25, 2022	Sep. 30, 2024	Jan. 31, 2024	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024	Dec. 31, 2020	May 31, 2020	Jul. 31, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Authorized capital stock					520,000,000		520,000,000
Common stock, par value					$ 0.0001		$ 0.0001
Common stock, shares authorized					500,000,000		500,000,000
Preferred stock, par value					$ 0.0001		$ 0.0001
Preferred stock, shares authorized					20,000,000		20,000,000
Preferred stock, shares outstanding					0		0
Shares Issued, Price per Share			$ 8.25
Common stock, shares issued			758,900
Common stock value remaining to be sold					$ 88.7
Shares of common stock, reserved for issuance					1,070,534
2014 Equity Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares of common stock, reserved for issuance					462,897
2024 Equity Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares of common stock, reserved for issuance					415,093
Outstanding options and RSUs					379,000
Aggregate number of awards available for grant to be issued					36,093
Inducement Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares of common stock, reserved for issuance					168,813
Outstanding options and RSUs					42,806
Aggregate number of awards available for grant to be issued					126,007
Additional shares of common stock, reserved for issuance					60,000
2014 Employee Stock Purchase Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares of common stock, reserved for issuance					23,731
Additional shares of common stock, reserved for issuance					40,000
Restricted Stock Units (RSUs) | 2014 Equity Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized stock-based compensation weighted average recognition period					1 year 7 months 6 days
Unrecognized stock-based compensation					$ 8.6
Employee Stock Option
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Unrecognized stock-based compensation weighted average recognition period					10 months 24 days
Unrecognized stock-based compensation					$ 2.9
Minimum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of employees purchase price of common stock					100.00%
Minimum [Member] | Employees And Non Employees
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share based compensation, vesting period					3 years
Stock option granted description terms					the exercise price of an option granted to a 10% shareholder cannot be less than 110% of the estimated fair value of the shares on the date of grant. Options granted generally vest over three to four years and expire in seven to ten years.
Share based compensation award expiration period					7 years
Maximum [Member] | Restricted Stock Units (RSUs) | From Date Of Grant
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share based compensation, vesting period					4 years
Maximum [Member] | Employees And Non Employees
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share based compensation, vesting period					4 years
Share based compensation award expiration period					10 years
Warrant
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of warrants issued			3,604,780
Warrant | May 2020 Warrants [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of warrants issued				1,090,907
Underwritten Public Offering | 2019 Warrants
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Warrants outstanding					101,089
Warrants outstanding					101,089
Underwritten Public Offering | January 2024 Warrants [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Warrants outstanding					1,090,907
Warrants outstanding					1,090,907
Underwritten Public Offering | Warrant
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of warrants issued										117,801
Number of securities called by each warrant			1	1						1
Warrants, exercise price			$ 0.0001	$ 0.0025						$ 0.0025
Warrants, term		7 years
Maximum ownership Percentage			9.99%	9.99%	9.99%
Warrants outstanding					3,596,146
Warrants outstanding					3,596,146
Warrants, exercise price			$ 0.0001	$ 0.0025						$ 0.0025
Underwritten Public Offering | Warrant | Minimum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Maximum ownership Percentage			4.99%
Prior notice period		61 days	61 days	61 days
Underwritten Public Offering | Warrant | Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Maximum ownership Percentage			19.99%	19.99%	19.99%
Underwritten Public Offering | Warrant | December 2020 Warrants [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of warrants issued								81,632
Warrants outstanding					55,387
Warrants outstanding					55,387
Underwritten Public Offering | Warrant | May 2020 Warrants [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of warrants issued									114,678
Warrants outstanding					38,735
Warrants outstanding					38,735
Direct Registered Offering
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Warrants, exercise price			$ 8.2499
Warrants, exercise price			$ 8.2499
Shares Issued, Price per Share				$ 13.7475
Proceeds from sale of pre-funded warrants to purchase common stock, gross	$ 15.0		$ 36.0
Proceeds from sale of pre-funded warrants to purchase common stock, net	$ 14.8		$ 35.8
At The Market Offering | Cowen
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock aggregate offering price					$ 100.0
Percentage of commission to be paid on gross sales proceeds of common stock sold					3.00%
Common stock, shares issued					0	492,855
Common stock average price						$ 19.23
Proceeds from sale of pre-funded warrants to purchase common stock, gross						$ 9.5
Proceeds from sale of pre-funded warrants to purchase common stock, net						$ 9.3