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Commitments and Contingencies (Tables) | 6 Months Ended
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Jun. 30, 2019
Commitments And Contingencies Disclosure [Abstract] |
Annual Purchase Requirements under Contract |
2019 | € | 2.3 million
2020 | € | 15.9 million
2021 | € | 15.9 million
2022 | € | 19.8 million
2023 | € | 19.8 million
2024 | € | 8.6 million
Schedule of Future Minimum Office And Vehicle Lease Payments | Future minimum office and vehicle lease payments as of June 30, 2019 and December 31, 2018, are as follows:
|  | June 30, 2019 |  |  | December 31, 2018 |
2019 (Remainder) |  | $ | 742,078 |  |  | $ | 1,595,421 |
2020 |  |  | 1,503,192 |  |  |  | 1,623,835 |
2021 |  |  | 1,532,458 |  |  |  | 1,653,101 |
2022 |  |  | 1,254,828 |  |  |  | 1,305,096 |
2023 |  |  | 87,957 |  |  |  | 87,957 |
|  | $ | 5,120,513 |  |  | $ | 6,265,410 |
The 2018 amounts above are inclusive of office and vehicle lease payments in order to conform to the current year presentation.

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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
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- Definition Tabular disclosure of key provisions of an arrangement under which the entity has agreed to purchase goods or services over a period of time greater than one year or the normal operating cycle, if longer, including the item for which expenditures will be made, minimum quantities, milestones, time period and committed amount. + References No definition available. + Details
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