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Loans and financing - Summary of Loan and Financing Operations (Parenthetical) (Detail)
€ in Thousands, R$ in Thousands, $ in Thousands
12 Months Ended
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2022
BRL (R$)
Dec. 31, 2020
USD ($)
Jun. 19, 2019
USD ($)
Jun. 19, 2019
EUR (€)
Disclosure of detailed information about borrowings [line items]            
Borrowings $ 1,153 $ 3,279   $ 6,359    
Top of range [member]            
Disclosure of detailed information about borrowings [line items]            
Debt covenant conversion ratio 1X 1.2X        
BNDES [Member]            
Disclosure of detailed information about borrowings [line items]            
Borrowings $ 189 $ 891        
Borrowings interest rate 8.50%   8.50%      
Borrowings maturity description Payments are on a monthly basis for 48 months, with the first installment due in April 2019 and the last installment maturing in March 2023          
Percentage of guarantee provided 30.00%   30.00%      
BNDES [Member] | BRAZIL            
Disclosure of detailed information about borrowings [line items]            
Borrowings $ 5,014   R$ 15,577      
Itau [Member]            
Disclosure of detailed information about borrowings [line items]            
Borrowings $ 964 $ 2,388     $ 7,782 € 6,909
Borrowings interest rate         1.77% 1.77%
Borrowings adjustment to interest rate basis         2.65% 2.65%