Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Related Party Balances And Transactions - Schedule of Related Party Balances (Detail)

v3.21.1
Related Party Balances And Transactions - Schedule of Related Party Balances (Detail) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Schedule Of Related Party Balance [Abstract]    
Trade Receivable $ 1,146 $ 1,043
Long term deferred revenues $ 3,500 $ 3,500