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Stockholders' Equity - Outstanding Options Granted to Consultants for Sales and Pre-marketing Services (Details) - $ / shares
12 Months Ended 108 Months Ended
Dec. 31, 2022
Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Granted, weighted average exercise price (in dollars per share) $ 0  
Granted (in shares) 0  
The 2005 Stock Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Granted (in shares) 0 0
The 2013 Omnibus Equity Award Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Granted (in shares) 0  
Consultants    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Options for shares of common stock (in shares) 22,650  
Consultants | The 2005 Stock Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Granted (in shares) 0  
Consultants | The 2013 Omnibus Equity Award Plan    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Granted (in shares) 0  
August 2013 - February 2016 | Consultants    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Exercisable through August 2023 - February 2026  
August 2013 - February 2016 | Consultants | Minimum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Granted, weighted average exercise price (in dollars per share) $ 5.623  
August 2013 - February 2016 | Consultants | Maximum    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Granted, weighted average exercise price (in dollars per share) $ 13.287