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Geographic area information (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2024
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Dec. 31, 2023
Sep. 30, 2023
Jun. 30, 2023
Mar. 31, 2023
Dec. 31, 2024
Dec. 31, 2023
Geographical area information [Abstract]                    
Net sales $ 10,231 $ 10,867 $ 11,599 $ 10,687 $ 13,265 $ 17,190 $ 19,906 $ 22,270 $ 43,384 $ 72,631
Fixed assets, net 1,818       2,421       1,818 2,421
United States [Member]                    
Geographical area information [Abstract]                    
Net sales                 33,485 58,060
International [Member]                    
Geographical area information [Abstract]                    
Net sales                 $ 9,899 $ 14,571
Sales [Member] | Geographic Concentration Risk [Member] | International [Member]                    
Geographical area information [Abstract]                    
Concentration risk percentage                 23.00% 20.00%
Sales [Member] | Geographic Concentration Risk [Member] | Europe [Member]                    
Geographical area information [Abstract]                    
Concentration risk percentage                 55.00% 64.00%
Sales [Member] | Geographic Concentration Risk [Member] | Pacific Rim [Member]                    
Geographical area information [Abstract]                    
Concentration risk percentage                 34.00% 29.00%
Sales [Member] | Geographic Concentration Risk [Member] | Canada [Member]                    
Geographical area information [Abstract]                    
Concentration risk percentage                 10.00% 4.00%
Reportable Geographical Components [Member] | United States [Member]                    
Geographical area information [Abstract]                    
Net sales                 $ 33,485 $ 58,060
Fixed assets, net 831       945       831 945
Reportable Geographical Components [Member] | International [Member]                    
Geographical area information [Abstract]                    
Net sales                 9,899 14,571
Fixed assets, net $ 987       $ 1,476       $ 987 $ 1,476