Quarterly report pursuant to Section 13 or 15(d)

Description of Business and Basis of Presentation - Additional Information (Detail)

v3.23.1
Description of Business and Basis of Presentation - Additional Information (Detail) - USD ($)
 3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Jan. 09, 2023
Dec. 31, 2022
Dec. 31, 2021
Basis Of Presentation [Line Items]          
Net loss $ (5,849,000) $ (4,776,000)      
capital expenditures 600        
Proceeds from the sale of common stock and pre-funded warrants 8,503,000 0      
Gross proceeds from warrant exercises 14,000 0      
Prepaid expenses and other current assets 2,499,000     $ 3,053,000  
Working capital 13,000,000.0     11,200,000  
Cash and cash equivalents 6,532,000     4,181,000  
Cash, cash equivalents, and restricted cash 6,532,000 21,809,000   4,181,000 $ 30,175,000
Accounts receivable, net 5,158,000     $ 5,841,000  
NetCashProvidedByUsedInOperatingActivities $ (5,658,000) $ (8,021,000)      
Common Stock, Shares, Issued 26,329,000     7,723,000  
Common Stock, Par or Stated Value Per Share $ 0.001     $ 0.001  
Securities Purchase Agreement [Member]          
Basis Of Presentation [Line Items]          
Warrant issued     11,403,571,000    
Common Stock, Shares, Issued     17,167,855,000    
Class of Warrant or Right, Number of Securities Called by Warrants or Rights     11,403,571,000    
combined purchase price     $ 350    
Warrant purchase     340    
Gross proceeds from transactions and other transactions     $ 9,900,000    
Common Stock, Par or Stated Value Per Share     $ 0.001    
Class of Warrant or Right, Exercise Price of Warrants or Rights     $ 0.01