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Commitments and contingencies (Details) € in Millions, $ in Millions | 56 Months Ended |  |
--- | --- | --- | ---
May 31, 2005 EUR (€) | May 31, 2005 USD ($) | Dec. 31, 2016 EUR (€) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 EUR (€) | Dec. 31, 2015 USD ($)
Grant Commitments |  |  |  |  |  |
Proceeds from grant commitments | € 3.6 | $ 3.8 |  |  |  |
Interest rate |  |  | 5.70% | 5.70% | 5.70% | 5.70%
Grant commitments, carrying value |  |  | € 6.4 | $ 6.8 | € 6.1 | $ 6.6

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- Definition Information pertaining to the entity's grant commitments. + References No definition available. + Details
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- Definition Represents proceeds received from grants which include a repayment clause in the event the Company generates revenues related to eligible projects. + References No definition available. + Details
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- Definition Carrying value as of the balance sheet date of the sum of the obligations to contract holders to provide to them an agreed upon rate of return pursuant to the terms of the underlying contract. These contracts represent lending by the contract holders to the entity in return for a guaranteed (primarily fixed) interest rate until maturity, unless called earlier if the contracts provide that option to the contract holders (usually institutions). There is little or no insurance risk for the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.14) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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