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Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)
 1 Months Ended 3 Months Ended 9 Months Ended
May 13, 2024
May 08, 2024
Sep. 30, 2024
Dec. 31, 2024
Dec. 31, 2024
Dec. 31, 2023
Mar. 31, 2024
Summary Of Significant Accounting Policies [Line Items]              
Cash and cash equivalents       $ 1,161,000 $ 1,161,000 $ 5,295,000 $ 2,901,000
Restricted cash       143,000 143,000 143,000 143,000
Accumulated deficit       $ (349,009,000) (349,009,000)   $ (339,669,000)
Cash flow from operations         $ 7,426,000 11,982,000  
Issuance of common stock       17,133,346 17,133,346   10,077,726
Total amount of inventory written off       $ 600,000 $ 798,000 0  
Insurance premium financing liability       257,000 257,000   $ 0
Dilutive effect         $ 0 $ 0  
Common stock equivalents excluded from computing diluted net loss per share         9,500,000 800,000  
Minimum percentage of income tax payment net of refunds received         5.00%    
Insurance Premium Financing Liability [Member]              
Summary Of Significant Accounting Policies [Line Items]              
Insurance premium financing agreement description         In September 2024, the Company entered into an insurance premium financing agreement for $0.4 million, with a term of nine months and an annual interest rate of 8.57%. The Company made a down payment of 10% and is required to make monthly principal and interest payments of $44,281 over the term of the agreement, which matures in June 2025.    
Financing agreement amount     $ 400,000        
Term     9 months        
Annual interest rate     8.57%        
Percentage of down payment     10.00%        
Monthly principal and interest payments     $ 44,281        
Prepaid insurance included in prepaid expenses and other current assets       300,000 $ 300,000    
Mosaic              
Summary Of Significant Accounting Policies [Line Items]              
Inventory finished goods, net of reserve       $ 0 $ 0   $ 300,000
Common Warrants [Member]              
Summary Of Significant Accounting Policies [Line Items]              
Issuance of common stock   5,000,000          
Issuance of warrants   1,562,500          
Stock offering price per share   $ 0.8          
Pre-Funded Warrants [Member]              
Summary Of Significant Accounting Policies [Line Items]              
Stock offering price per share   $ 0.799          
At-The-Market Facility [Member]              
Summary Of Significant Accounting Policies [Line Items]              
Issuance of common stock       1,405,228 1,405,228    
Issuance of common stock       52,628 1,405,228    
Net proceeds from issuance of offerings         $ 1,700,000    
Public Offering [Member]              
Summary Of Significant Accounting Policies [Line Items]              
Initial offering date   May 8, 2024          
Issuance of common stock   1,562,500          
Net proceeds from issuance of offerings $ 4,500,000            
Public Offering [Member] | Common Warrants [Member]              
Summary Of Significant Accounting Policies [Line Items]              
Issuance of common stock   5,000,000          
Public Offering [Member] | Common Warrants [Member] | Maximum [Member]              
Summary Of Significant Accounting Policies [Line Items]              
Issuance of warrants   5,000,000