Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Additional Information (Detail)

v3.22.4
Stockholders' Equity - Additional Information (Detail) - USD ($)
 1 Months Ended 3 Months Ended 6 Months Ended
Aug. 19, 2022
Aug. 02, 2022
Sep. 28, 2021
Aug. 19, 2021
Sep. 30, 2014
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2022
Dec. 31, 2021
Jun. 30, 2022
Class Of Stock [Line Items]                    
Preferred stock, par value           $ 0.001   $ 0.001   $ 0.001
Underwritten public offering, description               the Company closed on the sale of (i) 144 shares of its common stock, par value $0.001 per share, (ii) pre-funded warrants (“PFW”) to purchase an aggregate of 96 shares of common stock and (iii) common warrants to purchase an aggregate of 240 shares of common stock (“2022 Investor Warrants”) in the Company’s registered direct offering (the “September Offering”). Each share of common stock, or PFW as applicable, was sold together with a 2022 Investor Warrant to purchase one share of common stock at a combined effective price of $62.50 per share of common stock and accompanying 2022 Investor Warrant. The 2022 Investor Warrants have been valued at $7,023 and have been treated as equity. They have been valued using a Black-Scholes valuation with a risk-free interest rate of 0.55%, a contractual term of 3.5 years, a volatility of 116.7%, and a dividend rate of 0%.    
Common stock, shares issued           1,673,000   1,673,000   1,311,000
Warrants exercised for cash                 $ 74,000  
Number of options granted               70,000    
Stock option exercise price               $ 64.54    
Number of stock options outstanding           241,000   241,000    
Weighted average contractual term               9 years 2 months 4 days 9 years 4 months 9 days  
2017 Omnibus Incentive Plan                    
Class Of Stock [Line Items]                    
Common stock, shares issued           440,000   440,000    
Percentage of fully diluted shares of common stock               8.00%    
Common stock, shares outstanding           3,000   3,000    
Two Thousand And Seventeen Omnibus Incentive Plan                    
Class Of Stock [Line Items]                    
Stock option vesting description               vest in 12 equal monthly installments beginning on August 1, 2022. The remaining 64 stock options granted have an exercise price of $8.785 per share and vest as to 25% on August 1, 2023, with the remaining portion vesting in equal monthly installments over a period of 36 months commencing on September 1, 2023. All of the options to purchase shares of common stock granted have a 10-year term and are subject to cancellation upon the grantees’ termination of service for the Company, with certain exceptions.    
Stock option term               10 years    
Two Thousand And Seventeen Omnibus Incentive Plan | Exercise Price of 1.24 [Member]                    
Class Of Stock [Line Items]                    
Number of options granted               70,000    
Stock options exercise price           $ 12.75   $ 12.75    
Two Thousand And Seventeen Omnibus Incentive Plan | Exercise Price Of Zero Point Nine Six                    
Class Of Stock [Line Items]                    
Stock option exercise price               $ 8.785    
Stock options [Member]                    
Class Of Stock [Line Items]                    
Risk-free interest rate               2.67%    
Expected term               6 years 29 days    
Volatility rate               91.40%    
Number of options granted               70,000    
Number of stock options outstanding           241,000   241,000   176,000
Aggregate intrinsic value of stock options exercisable           $ 0 $ 0 $ 0 $ 0  
Unrecognized compensation expense           1,322,000   $ 1,322,000    
Unrecognized compensation expense, term               3 years 2 months 8 days    
Aggregate intrinsic value of unvested stock options               $ 0 $ 0  
Common stock                    
Class Of Stock [Line Items]                    
Issued warrants to underwriters     144,000              
Warrants exercise price     $ 0.001              
Pre-Funded Warrants                    
Class Of Stock [Line Items]                    
Issued warrants to underwriters     96,000              
Warrants exercise price             $ 0.05   $ 0.05  
Number             96,000   96,000  
Warrants exercised for cash                 $ 4,800  
2022 Investor Warrant [Member]                    
Class Of Stock [Line Items]                    
Issued warrants to underwriters     240,000              
Warrants exercise price     $ 62.50              
Value of outstanding warrants     $ 7,023,000              
Risk-free interest rate     0.55%              
Expected term     3 years 6 months              
Volatility rate     116.70%              
Dividend rate     0.00%              
Other Underwriting Expense     $ 13,634,000              
Expiry date     Mar. 28, 2025              
Executive Officers And Director | Two Thousand And Seventeen Omnibus Incentive Plan | Exercise Price Of Zero Point Nine Six                    
Class Of Stock [Line Items]                    
Number of options granted               64,000    
Executive Officers and Directors | Two Thousand And Seventeen Omnibus Incentive Plan | Exercise Price of 1.24 [Member]                    
Class Of Stock [Line Items]                    
Number of options granted               6,000    
Officers [Member] | Restricted Stock Units [Member]                    
Class Of Stock [Line Items]                    
Shares issued of common stock for services               18,000    
Stock option commencing date, description               Subject to providing continuous service to the Company, the RSU vest in four equal annual installments commencing August 1, 2023.    
Maximum [Member]                    
Class Of Stock [Line Items]                    
Gross proceeds               $ 1,860,000    
Preferred Stock Series C                    
Class Of Stock [Line Items]                    
Dividends, Preferred Stock $ 43,000                  
Sale of Stock, Price Per Share $ 8.34                  
Preferred stock $ 362,000         10,497,000   10,497,000   $ 12,275,000
Liquidation value           $ 14,388   $ 14,388   $ 16,838
Preferred Stock, shares issued           14,000   14,000   17,000
Number           14,388,000   14,388,000    
Series C-1 Preferred Shares [Member]                    
Class Of Stock [Line Items]                    
Conversion price           $ 58.00   $ 58.00    
Number           11,545,000   11,545,000    
Series C-2 Preferred Shares [Member]                    
Class Of Stock [Line Items]                    
Conversion price           $ 60.70   $ 60.70    
Number           898,000   898,000    
Series C-3 Preferred Shares                    
Class Of Stock [Line Items]                    
Conversion price           $ 57.50   $ 57.50    
Number           1,945,000   1,945,000    
Preferred Stock Series A                    
Class Of Stock [Line Items]                    
Preferred stock           $ 279,000   $ 279,000   $ 279,000
Liquidation value           $ 279,000   $ 279,000   $ 279,000
Preferred stock, rate of dividend         3.00%          
Preferred Stock, shares issued           279,000   279,000   279,000
Change in preferred stock           $ 0 $ 0 $ 0 $ 0  
Preferred Stock Series A | Exchange Agreement [Member]                    
Class Of Stock [Line Items]                    
Preferred stock, rate of dividend         3.00%          
Preferred Stock, shares issued         279,000          
Preferred stock, par value         $ 1.00          
Private Placement [Member] | Series C Preferred Stock Warrants                    
Class Of Stock [Line Items]                    
Shares issued of common stock for services               2,504    
Shares issued, price per share           $ 1,000   $ 1,000    
Registered direct financing [Member] | Pre-Funded Warrants                    
Class Of Stock [Line Items]                    
Warrants exercise price     $ 0.05              
Registered direct financing [Member] | 2022 Agent Warrants [Member]                    
Class Of Stock [Line Items]                    
Warrants exercise price     $ 78.125              
Risk-free interest rate     0.55%              
Expected term     3 years 6 months              
Volatility rate     116.70%              
Dividend rate     0.00%              
Expiry date     Sep. 28, 2021              
Number     12,000              
Underwriter warrants commencing date     Mar. 28, 2025              
Non cash issue of common stock     333,000              
Merger Agreement [Member] | Preferred Stock Series C | First Anniversary [Member]                    
Class Of Stock [Line Items]                    
Common stock dividends percentage       10.00%            
Merger Agreement [Member] | Preferred Stock Series C | Second Anniversary [Member]                    
Class Of Stock [Line Items]                    
Common stock dividends percentage 15.00%                  
Merger Agreement [Member] | Private Placement [Member] | Preferred Stock Series C                    
Class Of Stock [Line Items]                    
Shares issued of common stock for services               25,028    
Shares issued, price per share           $ 1,000   $ 1,000    
Merger Agreement [Member] | Private Placement [Member] | Preferred Stock Series C | First Anniversary [Member]                    
Class Of Stock [Line Items]                    
Common stock dividends percentage               10.00%    
Merger Agreement [Member] | Private Placement [Member] | Preferred Stock Series C | Second Anniversary [Member]                    
Class Of Stock [Line Items]                    
Common stock dividends percentage               15.00%    
Merger Agreement [Member] | Private Placement [Member] | Preferred Stock Series C | Third Anniversary [Member]                    
Class Of Stock [Line Items]                    
Common stock dividends percentage               20.00%    
Merger Agreement [Member] | Private Placement [Member] | Preferred Stock Series C | Fourth Anniversary [Member]                    
Class Of Stock [Line Items]                    
Common stock dividends percentage               25.00%    
Purchase Agreement [Member]                    
Class Of Stock [Line Items]                    
Sale of Stock, Price Per Share   $ 10.12                
Shares issued of common stock for services   33,000                
Maximum committed purchase obligation   $ 2,000,000                
Aggregate number of shares sell   262,000                
Percentage of aggregate number of shares sell   19.99%                
Gross proceeds               $ 1,860,000    
Common stock, shares issued           229,000   229,000    
Purchase Agreement [Member] | Regular Purchase [Member]                    
Class Of Stock [Line Items]                    
Shares issued of common stock for services   10,000                
Purchase Agreement [Member] | Maximum [Member]                    
Class Of Stock [Line Items]                    
Amount of purchase common stock issued   $ 20,000,000