Quarterly report pursuant to Section 13 or 15(d)

REVENUE - Disaggregation of revenue (Details)

v3.22.2.2
REVENUE - Disaggregation of revenue (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Disaggregation of revenue        
Revenue $ 56,685 $ 73,351 $ 182,303 $ 225,773
Variable consideration        
Maximum limited warranty term     2 years  
U.S.        
Disaggregation of revenue        
Revenue 56,685 64,379 $ 176,801 197,287
Canada        
Disaggregation of revenue        
Revenue   8,972 5,502 28,486
Cost-plus reimbursement contracts        
Disaggregation of revenue        
Revenue 44,237 63,363 138,263 201,027
Fixed-price contracts        
Disaggregation of revenue        
Revenue $ 12,448 $ 9,988 $ 44,040 $ 24,746