Post-effective amendment to a registration statement that is not immediately effective upon filing

Advances From Customers And Deferred Revenues - Schedules of Advances From Customers And Deferred Revenues (Detail)

v3.21.2
Advances From Customers And Deferred Revenues - Schedules of Advances From Customers And Deferred Revenues (Detail) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Dec. 31, 2019
Current liabilities:      
Deferred revenues   $ 996 $ 291
Advances from customers $ 0 665 172
Total $ 1,803 1,661 463
Long-term liabilities:      
Deferred revenues   3,473 3,473
Total   $ 5,134 $ 3,936