Restatement of Previously Issued Financial Statements - Schedule of Impact to the Consolidated Balance Sheet (Detail) - USD ($) $ in Thousands	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023
Stockholders' equity:
Additional paid-in capital	$ 426,047			$ 417,946	$ 331,190
Total stockholders’ equity	35,360	$ 50,334	$ 58,886	62,446	20,364	$ (64,195)	$ (70,422)	$ (48,486)
Series X1 Non-voting Convertible Preferred Stock [Member]
LIABILITIES, CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY
Convertible preferred stock, value	53,543	53,543	53,543	53,543	53,543	53,543	53,543	53,543
Stockholders' equity:
Preferred stock, value
Series X Non-Voting Convertible Preferred Stock [Member]
LIABILITIES, CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY
Convertible preferred stock, value	$ 2,151	$ 2,151	$ 2,151	$ 2,151	2,151	$ 2,151	$ 2,151	$ 2,151
Stockholders' equity:
Preferred stock, value
As Previously Reported [Member]
Stockholders' equity:
Additional paid-in capital					386,884
Total stockholders’ equity					76,058
As Previously Reported [Member] \| Series X1 Non-voting Convertible Preferred Stock [Member]
LIABILITIES, CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY
Convertible preferred stock, value
Stockholders' equity:
Preferred stock, value
As Previously Reported [Member] \| Series X Non-Voting Convertible Preferred Stock [Member]
LIABILITIES, CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY
Convertible preferred stock, value
Stockholders' equity:
Preferred stock, value
Restatement Impact [Member]
Stockholders' equity:
Additional paid-in capital					(55,694)
Total stockholders’ equity					(55,694)
Restatement Impact [Member] \| Series X1 Non-voting Convertible Preferred Stock [Member]
LIABILITIES, CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY
Convertible preferred stock, value					53,543
Stockholders' equity:
Preferred stock, value
Restatement Impact [Member] \| Series X Non-Voting Convertible Preferred Stock [Member]
LIABILITIES, CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS' EQUITY
Convertible preferred stock, value					2,151
Stockholders' equity:
Preferred stock, value