XML 93 R70.htm IDEA: XBRL DOCUMENT v3.19.1
Identification and Activities of the Company and Subsidiaries (Details Textual)
 12 Months Ended
Dec. 31, 2018
USD ($)
shares
Dec. 31, 2017
Identification and Activities of the Company and Subsidiaries [Line Items]    
Percentage of shareholder Outstanding shares interest in excess 5.00% 5.00%
Number of shareholders | shares 1,508  
Research and development expense $ 1.7  
MT KCL [Member]    
Identification and Activities of the Company and Subsidiaries [Line Items]    
Percentage of entity's revenue 1.80%  
Bottom of range [member]    
Identification and Activities of the Company and Subsidiaries [Line Items]    
Research and development expense $ 10  
Top of range [member]    
Identification and Activities of the Company and Subsidiaries [Line Items]    
Research and development expense 15  
SQM member [Member] | Bottom of range [member]    
Identification and Activities of the Company and Subsidiaries [Line Items]    
Research and development expense 10.8  
SQM member [Member] | Top of range [member]    
Identification and Activities of the Company and Subsidiaries [Line Items]    
Research and development expense $ 18.9  
Sales channels [member] | MT Li2CO3 [Member]    
Identification and Activities of the Company and Subsidiaries [Line Items]    
Percentage of entity's revenue 6.80%  
Pampa Group [Member]    
Identification and Activities of the Company and Subsidiaries [Line Items]    
Percentage of interest held by other entities 32.00% 2997.00%