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Investments in Financial Instruments - Additional Information (Details) $ / shares in Units, $ in Thousands, $ in Millions | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Nov. 30, 2019 USD ($) | Nov. 30, 2019 MXN ($) | Jul. 31, 2019 USD ($) | Jul. 31, 2019 MXN ($) | Dec. 31, 2019 USD ($) $ / shares | Dec. 31, 2019 MXN ($) | Dec. 31, 2018 MXN ($) | Jul. 31, 2015 USD ($)
Financial Instruments |  |  |  |  |  |  |  |
Exercise price per warrant | $ / shares |  |  |  |  | $ 0.01 |  |  |
Exercised warrants amount |  |  |  |  |  | $ 4,590,953 | $ 4,590,953 |
Proportion of warrants exercisable for common stock |  |  |  |  | 36.00% | 36.00% | 36.00% |
Notional Amount |  |  |  |  |  | $ 122,378,292 |  |
Fair value of warrants |  |  |  |  | $ 1,843.6 | $ 28,886,903 |  |
Fair value amount of Open ended fund | $ 121.6 | $ 2,301,682 | $ 121.6 | $ 2,301,682 |  |  |  |
Investment in Convertible Debenture 2010 | UHI |  |  |  |  |  |  |  |
Financial Instruments |  |  |  |  |  |  |  |
Notional Amount |  |  |  |  |  |  |  | $ 1,063.1

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