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Stockholders' Equity - Equity Issuances (Details) - USD ($)
 9 Months Ended 28 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Dec. 31, 2022
Sep. 15, 2022
Mar. 22, 2022
Jun. 04, 2021
Class of Stock [Line Items]              
Outstanding stock threshold           $ 75,000,000  
Net proceeds from issuance of common stock $ 297,000 $ 29,000          
Number of common shares of the combined company owned by Cend stockholders (in shares) 8,139,449   8,139,449 7,866,061      
CEND              
Class of Stock [Line Items]              
Number of common shares of the combined company owned by Cend stockholders (in shares)         3,772,768    
ATM Agreement              
Class of Stock [Line Items]              
Aggregate offering amount authorized per agreement             $ 50,000,000
Common stock, value, outstanding             43,600,000
Sale of stock available for sale             $ 17,698,943
Percentage held by non-affiliates             33.00%
Stock issued (in shares) 64,394   64,394        
Net proceeds from issuance of common stock $ 270,774   $ 270,774