Quarterly report pursuant to Section 13 or 15(d)

REVENUE - Accounts Receivable (Details)

v3.22.1
REVENUE - Accounts Receivable (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Accounts receivable, net:    
Total accounts receivable, net $ 26,459 $ 27,810
Technical services    
Accounts receivable, net:    
Total accounts receivable, net 18,269 18,904
Professional services    
Accounts receivable, net:    
Total accounts receivable, net 7,453 8,209
Other.    
Accounts receivable, net:    
Total accounts receivable, net $ 737 $ 697