Borrowings (Details)		12 Months Ended
Jun. 01, 2012 EUR (€) installment	Dec. 31, 2017 EUR (€)	Jun. 30, 2018 EUR (€)
Disclosure of detailed information about borrowings [line items]
Total borrowings		€ 7,244,000	€ 8,024,000
Current portion		(1,960,000)	(2,000,000)
Non Current portion		5,284,000	6,024,000
Innovation credit
Disclosure of detailed information about borrowings [line items]
Total borrowings		4,899,000	5,000,000
Accrued interest on innovation credit		1,683,000	2,016,000
Percentage of cost covered by the innovative credit	35.00%
Maximum initial borrowing base	€ 5,000,000.00000
Interest rate	10.00%
Number of installments \| installment	3
Convertible notes
Disclosure of detailed information about borrowings [line items]
Total borrowings		€ 662,000	€ 1,008,000
Interest rate		8.00%
Debt instrument convertible term		36 months
Unconvertible debt maturity		P24M

The interest rate on borrowings. [Refer: Borrowings]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IFRS
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-IssueDate 2017-01-01
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-URIDate 2017-03-09

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Period Type:	instant

- Definition

The maturity of borrowings. [Refer: Borrowings]

+ References

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- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

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- Definition

The amount of interest recognised as a liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2017-01-01
-Paragraph 112
-Subparagraph c
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard
-URIDate 2017-03-09

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Period Type:	instant

- Definition

The non-current portion of non-current borrowings. [Refer: Borrowings]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2017-01-01
-Paragraph 55
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_55&doctype=Standard
-URIDate 2017-03-09

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- Definition

The amount of current borrowings. [Refer: Borrowings]

+ References

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The period over which debt instrument were converted in to ordinary shares.

+ References

No definition available.

+ Details

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- Definition

The aggregated of borrowings with original maturities greater than one year, including current and noncurrent borrowings.

+ References

No definition available.

+ Details

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- Definition

The maximum amount of cash to given as credit in the initial period.

+ References

No definition available.

+ Details

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- Definition

The number of installments over which repayment of the borrowings.

+ References

No definition available.

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- Definition

The percentage of cost covered by the borrowings.

+ References

No definition available.

+ Details

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