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Description of business (Details)
$ in Thousands
12 Months Ended
Aug. 16, 2021
USD ($)
shares
Oct. 16, 2020
USD ($)
shares
Dec. 31, 2021
USD ($)
Solution
Manufacturer
Segment
Dec. 31, 2020
USD ($)
May 01, 2020
USD ($)
Mar. 13, 2020
USD ($)
Description of business [Abstract]            
Number of operating segments | Segment     1      
Number of software solutions from the after-market side of the business | Solution     2      
Description of business [Abstract]            
Number of manufacturers in China and Thailand | Manufacturer     2      
Proceeds from Public Offering $ 11,200 $ 8,700 $ 12,214 $ 9,798    
Shares sold in Public Offering (in shares) | shares 842,375 1,380,000        
Gain from employee retention credit     $ 1,500 $ 0    
PPP Loan [Member]            
Description of business [Abstract]            
Face amount         $ 2,200  
Revolving Credit Facility [Member]            
Description of business [Abstract]            
Maximum borrowing capacity           $ 10,000