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Other Non-Current Assets
 12 Months Ended
Dec. 31, 2019
Other Assets Noncurrent [Abstract]  
Other Non-Current Assets

13.  Other Non-Current Assets

The following is a summary of other non-current assets (in thousands):

 

 

 

As of December 31,

 

 

 

2018

 

 

2019

 

 

2019

 

 

 

RMB

 

 

RMB

 

 

US$

 

Rental deposits

 

 

8,355

 

 

 

8,330

 

 

 

1,197

 

Non-current portion of prepayments to suppliers and other business related

   expenses

 

 

9,099

 

 

 

8,698

 

 

 

1,249

 

Long-term receivable from an unrelated party

 

 

6,000

 

 

 

—

 

 

 

—

 

Others

 

 

—

 

 

 

2,831

 

 

 

407

 

Total

 

 

23,454

 

 

 

19,859

 

 

 

2,853

 

 

The long-term receivable from an unrelated party represented a two-year loan granted to the unrelated party with an interest rate of 10.0%, which would be due in March 2020 and has been reclassified into prepayments and other current assets as of December 31, 2019.