Related Party Transactions (Details) - Schedule of rental expenses due to entities controlled by Mr. Kang under operating lease agreements - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Related Party Transactions (Details) - Schedule of rental expenses due to entities controlled by Mr. Kang under operating lease agreements [Line Items]
Total	$ 314	$ 294
Chuzhou Huarui [Member]
Related Party Transactions (Details) - Schedule of rental expenses due to entities controlled by Mr. Kang under operating lease agreements [Line Items]
Total	221	207
Kunshan Enjin [Member]
Related Party Transactions (Details) - Schedule of rental expenses due to entities controlled by Mr. Kang under operating lease agreements [Line Items]
Total	$ 93	$ 87