v3.23.1
Related parties and related-party transactions (Details) - USD ($)
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Related parties and related-party transactions    
Rent paid $ 38  
Konica Minolta, Inc    
Related parties and related-party transactions    
Service fees 400,000 $ 400,000
Payables $ 117,000 $ 29,000