Quarterly report pursuant to Section 13 or 15(d)

REVENUE RECOGNITION (Details 1)

v3.21.2
REVENUE RECOGNITION (Details 1) - USD ($)
$ in Thousands
Sep. 30, 2021
Dec. 31, 2020
Revenue Recognition    
Contract assets $ 11,522 $ 5,361
Contracts liabilities 5,045 $ 7,521
Change in contract asset 6,161  
Contracts liabilities $ (2,476)