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Stockholders' Equity - Stock Options (Details) - shares
3 Months Ended
Jan. 01, 2022
Dec. 09, 2021
Mar. 31, 2022
Jul. 08, 2021
Sep. 08, 2017
Inducement Equity Incentive Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Maximum shares authorized (in shares)       100,000  
Annual additional options authorized (in shares)   100,000      
Options to purchase common stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Percentage increase of authorized shares 4.00%        
Annual additional options authorized (in shares) 196,394   105,515    
Options to purchase common stock | 2017 Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Maximum shares authorized (in shares)         400,000
Award vesting period     4 years    
Expiration period     10 years