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Identification and Activities of the Company and Subsidiaries (Details Textual) | 12 Months Ended |
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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%

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