Annual report pursuant to Section 13 and 15(d)

Convertible Preferred Stock and Stockholders' Equity - July 2021 Registered Direct Offering (Details)

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Convertible Preferred Stock and Stockholders' Equity - July 2021 Registered Direct Offering (Details) - USD ($)
12 Months Ended
Nov. 29, 2022
Jul. 22, 2021
Dec. 31, 2022
Dec. 31, 2021
Convertible Preferred Stock and Stockholders' Equity        
Aggregate purchase price     $ 6,431,000  
Net proceeds       $ 8,303,000
Percentage of placement agent fee 8.00%      
Accredited investors        
Convertible Preferred Stock and Stockholders' Equity        
Number of shares issued   25,000    
Aggregate purchase price   $ 10,000,000    
Net proceeds   9,026,000    
Accredited investors | Maxim Group LLC        
Convertible Preferred Stock and Stockholders' Equity        
Placement agent fee   $ 800,000    
Percentage of placement agent fee   8.00%