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Stockholders Equity and Stock Options - Additional Information (Detail) - USD ($)
6 Months Ended 12 Months Ended 23 Months Ended
Jan. 01, 2022
Jan. 01, 2021
Aug. 14, 2020
May 28, 2020
Jun. 30, 2022
Dec. 31, 2021
Jun. 30, 2022
Preferred stock, shares authorized         5,000,000 5,000,000 5,000,000
Preferred stock, par value         $ 0.001 $ 0.001 $ 0.001
Preferred stock, shares issued         0 0 0
Preferred stock, shares outstanding         0 0 0
Common stock, shares authorized         115,000,000 115,000,000 115,000,000
Common stock, par value         $ 0.001 $ 0.001 $ 0.001
Common stock voting rights         Each share of common stock entitles the holder to one vote on all matters submitted to a vote of the Company’s stockholders    
Dividend paid         $ 0   $ 0
Common stock, shares issued         17,710,450 17,710,450 17,710,450
Common stock, shares outstanding         17,710,450 17,710,450 17,710,450
Options to purchase shares of common stock granted         852,450    
Unrecognized compensation expense         $ 15,700,000   $ 15,700,000
Unrecognized compensation expense recognized period         2 years 5 months 19 days    
2020 Equity Incentive Plan [Member]              
Share-based compensation arrangement by share-based payment award, description         The maximum number of shares that may be issued in respect of any awards under the 2020 Plan is the sum of: (i) 1,700,000 shares plus (ii) an annual increase on January 1, 2021 and each anniversary of such date thereafter through January 1, 2030, equal to the lesser of (A) 4% of the shares issued and outstanding on the last day of the immediately preceding fiscal year, or (B) such smaller number of shares as determined by the Board (collectively, the “Plan Limit”).    
Minimum level of maximum number of shares allowed to be issued         1,700,000    
Percentage of outstanding shares         4.00%    
Weighted-average grant date fair value of options granted         $ 5.31    
2020 Equity Incentive Plan [Member] | From Prior Plans [Member]              
Increase in shares reserved for future issuance         130,308 56,966  
Maximum [Member] | 2020 Equity Incentive Plan [Member] | Incentive Stock Options [Member]              
Maximum number of shares that may be issued under stock option incentive plan         8,000,000   8,000,000
Common Stock [Member] | 2020 Equity Incentive Plan [Member]              
Shares available for grant         998,301   998,301
Increase in shares reserved for future issuance 708,418 614,709          
Term of plan         10 years    
Options to purchase shares of common stock granted         852,450    
Common Stock [Member] | 2020 Equity Incentive Plan [Member] | Vest Over 4 Years [Member] | Employees [Member]              
Options to purchase shares of common stock granted         810,950    
Vesting period of stock option         4 years    
Stock option vesting percentage         25.00%    
Common Stock [Member] | 2020 Equity Incentive Plan [Member] | Vest One Year [Member] | Directors [Member]              
Options to purchase shares of common stock granted         41,500    
Vesting period of stock option         1 year    
ATM Offering Program [Member] | Common Stock [Member]              
Issuance of common stock | shares           2,342,720  
Percentage of compensation for services equal to gross proceeds     3.00%        
Sales agreement, description     The Company has no obligation to sell any of the ATM Shares and may at any time suspend offers under the ATM Agreement        
Common stock, shares issued         2,354,244   2,354,244
Proceeds from issuance of common stock           $ 19,900,000 $ 20,100,000
Gross sales proceeds under sales agreement remaining amount         $ 29,200,000    
ATM Offering Program [Member] | Common Stock [Member] | Maximum [Member]              
Aggregate sale of shares of our common stock     $ 50,000,000        
Private Placement [Member]              
Issuance of common stock | shares       6,105,359      
Issuance of warrants       628,403      
Share price per share       $ 11.88      
Warrants price per share       11.87      
Warrants exercise price       $ 0.01      
Gross proceeds       $ 80,000,000.0      
Transaction cost       4,600,000      
Proceeds from issuance common stock and warrants net offering costs       $ 75,400,000      
Private Placement [Member] | MTS Health Partners [Member]              
Issuance of common stock | shares       35,260