Related Party Transactions (Details) - USD ($) $ in Thousands |
3 Months Ended | |
---|---|---|
Mar. 31, 2020 |
Mar. 31, 2019 |
|
Summary of other expenses due to related parties | ||
Total | $ 72 | $ 75 |
Chuzhou Huarui [Member] | ||
Summary of other expenses due to related parties | ||
Total | 50 | 53 |
Kunshan Enjin [Member] | ||
Summary of other expenses due to related parties | ||
Total | $ 22 | $ 22 |