Related Party Transactions (Details) - Schedule of rental expenses due to entities controlled by Mr. Kang under operating lease agreements - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Related Party Transactions (Details) - Schedule of rental expenses due to entities controlled by Mr. Kang under operating lease agreements [Line Items]
Total	$ 68	$ 78
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	56	55
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	$ 12	$ 23