Quarterly report pursuant to Section 13 or 15(d)

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

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Description of Business and Basis of Presentation - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Jun. 27, 2022
Dec. 31, 2020
Basis Of Presentation [Line Items]              
Series F Preferred stock, shares issued 0   0   0    
Common Stock, Shares, Issued 6,857,000   6,857,000   6,855,000    
Proceeds from the sale of common stock     $ 5,849 $ 13,291      
Net loss $ (5,611) $ (702) (10,386) (7,603)      
Net increase in operating assets a liabilities     5,800        
Prepaid expenses and other current assets 2,064   2,064   $ 2,012    
Working capital 30,300   30,300   35,500    
Cash and cash equivalents 19,549   19,549   29,972    
Cash, cash equivalents, and restricted cash 19,549 $ 37,285 19,549 37,285 30,175   $ 17,876
Net cash and cash equivalents used in investing activities     (578) (311) 600    
Accounts receivable, net $ 6,081   6,081   4,238    
Net cash used in operating activities     (14,633) $ (10,008)      
Net decreases in operating assets         14,600    
SWK Loan              
Basis Of Presentation [Line Items]              
Proceed from term loan offering         1,000    
Cyber Incident              
Basis Of Presentation [Line Items]              
Prepaid expenses and other current assets         $ 400    
Private Placement [Member]              
Basis Of Presentation [Line Items]              
Proceeds from offering, net of underwriting discounts and commissions     $ 5,800        
Securities Purchase Agreement [Member]              
Basis Of Presentation [Line Items]              
Warrant issued           726,660  
Common Stock, Shares, Issued           678,745  
Gross proceeds from transactions and other transactions           $ 6,500  
Securities Purchase Agreement [Member] | Private Placement [Member]              
Basis Of Presentation [Line Items]              
Common Stock, Shares, Issued           1,405,405