XML 65 R55.htm IDEA: XBRL DOCUMENT v3.23.2
Severance and other related charges - Additional Information (Details)
6 Months Ended
Jun. 30, 2023
USD ($)
Selling, General and Administrative  
Defined Benefit Plan Disclosure [Line Items]  
Postemployment benefits outstanding payable $ 207,000
Two Former Employees  
Defined Benefit Plan Disclosure [Line Items]  
Postemployment benefits liability $ 332,000