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Related party disclosures (Details 4) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019
Related party disclosures [Line Items] |  |
Current payables to related parties | $ 606,000 | $ 475,000
Ajay Europe S.A.R.L [Member] |  |
Related party disclosures [Line Items] |  |
Tax ID | Foreign |
Nature | Associate |
Country of origin | France |
Currency | Euro |
Current payables to related parties | $ 50 | 0
Covalent Lithium Pty Ltd [Member] |  |
Related party disclosures [Line Items] |  |
Tax ID | Foreign |
Nature | Joint venture |
Country of origin | Australia |
Currency | Australian dollar |
Current payables to related parties | $ 324,000 | 232,000
SQM Star Qingdao Corp Nutrition Co., Ltd. [Member] |  |
Related party disclosures [Line Items] |  |
Tax ID | Foreign |
Nature | Joint venture |
Country of origin | China |
Currency | Dollar |
Current payables to related parties | $ 0 | 243,000
Ajay North America LLC.[Member] |  |
Related party disclosures [Line Items] |  |
Tax ID | Foreign |
Nature | Associate |
Country of origin | United States of America |
Currency | Dollar |
Current payables to related parties | $ 232 | $ 0

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