XML 98 R58.htm IDEA: XBRL DOCUMENT
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Property, Plant, and Equipment - Summary of Property, Plant, and Equipment (Detail) - EUR (€) € in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant, and equipment beginning balance | € 12,482 | € 5,581 | € 2,225
Increase in property, plant, and equipment | 5,443 | 6,901 | 3,375
Decrease in property, plant, and equipment | (118) |  | 18
Property, plant, and equipment ending balance | 17,808 | 12,482 | 5,581
Total, gross [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant, and equipment beginning balance | 15,685 | 7,646 | 3,775
Increase in property, plant, and equipment | 7,114 | 8,039 | 4,365
Decrease in property, plant, and equipment | (329) |  | (493)
Property, plant, and equipment ending balance | 22,470 | 15,685 | 7,646
Total, gross [member] | Laboratory equipment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant, and equipment beginning balance | 3,097 | 2,357 | 2,257
Increase in property, plant, and equipment | 2,806 | 740 | 467
Decrease in property, plant, and equipment | (83) |  | (368)
Property, plant, and equipment ending balance | 5,820 | 3,097 | 2,357
Total, gross [member] | Building fixtures [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant, and equipment beginning balance | 4,610 | 938 | 930
Increase in property, plant, and equipment | 534 | 3,672 | 8
Decrease in property, plant, and equipment | (46) |  |
Property, plant, and equipment ending balance | 5,098 | 4,610 | 938
Total, gross [member] | Office equipment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant, and equipment beginning balance | 607 | 209 | 215
Increase in property, plant, and equipment | 275 | 398 | 24
Decrease in property, plant, and equipment | (116) |  | (30)
Property, plant, and equipment ending balance | 766 | 607 | 209
Total, gross [member] | Computer equipment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant, and equipment beginning balance | 986 | 470 | 322
Increase in property, plant, and equipment | 116 | 516 | 244
Decrease in property, plant, and equipment | (30) |  | (95)
Property, plant, and equipment ending balance | 1,073 | 986 | 470
Total, gross [member] | Property, plant, and equipment in progress [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant, and equipment beginning balance | 6,385 | 3,672 | 51
Increase in property, plant, and equipment | 3,384 | 2,713 | 3,622
Decrease in property, plant, and equipment | (55) |  |
Property, plant, and equipment ending balance | 9,714 | 6,385 | 3,672
Total accumulated amortization and depreciation [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant, and equipment beginning balance | 3,202 | 2,065 | 1,550
Increase in property, plant, and equipment | 1,671 | 1,137 | 990
Decrease in property, plant, and equipment | (211) |  | (475)
Property, plant, and equipment ending balance | 4,663 | 3,202 | 2,065
Total accumulated amortization and depreciation [member] | Scenario, Previously Reported [Member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant, and equipment beginning balance | 3,203 |  |
Property, plant, and equipment ending balance |  | 3,203 |
Total accumulated amortization and depreciation [member] | Laboratory equipment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant, and equipment beginning balance | 1,505 | 948 | 916
Increase in property, plant, and equipment | 802 | 557 | 382
Decrease in property, plant, and equipment | (63) |  | (349)
Property, plant, and equipment ending balance | 2,244 | 1,505 | 948
Total accumulated amortization and depreciation [member] | Building fixtures [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant, and equipment beginning balance | 1,109 | 782 | 286
Increase in property, plant, and equipment | 484 | 327 | 496
Decrease in property, plant, and equipment | (14) |  |
Property, plant, and equipment ending balance | 1,580 | 1,109 | 782
Total accumulated amortization and depreciation [member] | Office equipment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant, and equipment beginning balance | 212 | 131 | 126
Increase in property, plant, and equipment | 213 | 81 | 35
Decrease in property, plant, and equipment | (105) |  | (30)
Property, plant, and equipment ending balance | 320 | 212 | 131
Total accumulated amortization and depreciation [member] | Computer equipment [member] |  |  |
Disclosure of detailed information about property, plant and equipment [line items] |  |  |
Property, plant, and equipment beginning balance | 377 | 205 | 222
Increase in property, plant, and equipment | 172 | 172 | 78
Decrease in property, plant, and equipment | (30) |  | (95)
Property, plant, and equipment ending balance | € 520 | € 377 | € 205

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