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Share-based compensation - Other Plans (Details) - Other plans - Share options $ / shares in Units, $ in Millions | 3 Months Ended
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Mar. 31, 2017 USD ($) $ / shares shares
Options |
Outstanding at beginning of year (in shares) | 187,500
Granted (in shares) | 150,000
Outstanding at end of year (in shares) | 337,500
Fully vested and exercisable at end of year (in shares) | 62,500
Outstanding and expected to vest at end of year (in shares) | 275,000
Weighted average exercise price |
Outstanding at beginning of year (in euros/dollars per share) | $ / shares | $ 17.93
Granted (in dollars per share) | $ / shares | 5.31
Outstanding at end of year (in euros/dollars per share) | $ / shares | 12.32
Fully vested and exercisable at end of year (in dollars per share) | $ / shares | 27.82
Outstanding and expected to vest at end of year (in dollars per share) | $ / shares | $ 8.80
Other disclosures |
Total fair value of shares that vested (in dollars) | $ | $ 0.5
Exercised (in shares) | 0

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- Definition The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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