XML 74 R55.htm IDEA: XBRL DOCUMENT v3.19.1
Discontinued Operations - Additional Information (Details) - Tangshan Yian Biological Engineering Co Ltd
¥ in Thousands, $ in Thousands
1 Months Ended 12 Months Ended
Jan. 31, 2016
USD ($)
Jan. 31, 2016
CNY (¥)
Dec. 31, 2018
USD ($)
Dec. 31, 2018
CNY (¥)
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2018
CNY (¥)
Dec. 31, 2015
CNY (¥)
Income Statement Balance Sheet And Additional Disclosures By Disposal Groups Including Discontinued Operations [Line Items]                
Proceeds from divestiture of businesses $ 926 ¥ 5,970 $ 1,706 ¥ 11,000        
Disposal of Business, cumulative translation gain     1,880          
Disposal of business, net book value     1,435          
Gain (loss) on disposition of business         $ 2,461      
Business combination, consideration transferred     2,016 ¥ 13,000        
Business combination consideration receivable     $ 310       ¥ 2  
Disposal group, including discontinued operation, consideration           $ 1,872   ¥ 13
Disposal group, including discontinued operation, percentage of ownership sold           100.00%