XML 43 R30.htm IDEA: XBRL DOCUMENT v3.22.2.2
Accrued product warranty liability (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Accrued product warranty liability [Roll Forward]    
Balance, beginning of period $ 101 $ 140
Warranties issued 12 19
Warranty settlements (33) (45)
Balance, end of period 80 $ 114
Accrued product warranty liability, current 63  
Other Liabilities [Member]    
Accrued product warranty liability [Roll Forward]    
Accrued product warranty liability, non-current $ 17  
Maximum [Member]    
Warranty [Abstract]    
Product warranty period 24 months