XML 109 R91.htm IDEA: XBRL DOCUMENT v3.21.1
OTHER RECEIVABLES AND PREPAYMENTS (Details) - CNY (¥)
¥ in Thousands
Dec. 31, 2020
Dec. 31, 2019
OTHER RECEIVABLES AND PREPAYMENTS    
Prepaid expense ¥ 640 ¥ 2,036
Security deposit 121 0
Other receivable 84 0
Other receivables and prepayments ¥ 845 ¥ 2,036