XML 131 R111.htm IDEA: XBRL DOCUMENT v3.22.0.1
Disaggregation of revenue (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue $ 104,505 $ 103,877
Products transferred at a point in time    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue 65,208 56,655
Products and services transferred over time    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue 39,297 47,222
Heavy Duty Motive    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue 51,663 47,688
Material Handling    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue 8,140 5,310
Back Up Power    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue 8,214 5,602
Technology Solutions    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue 36,488 45,277
China    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue 38,818 54,267
Europe    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue 42,588 36,484
North America    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue 20,599 9,269
Other    
Disclosure of disaggregation of revenue from contracts with customers [line items]    
Revenue $ 2,500 $ 3,857