4. Stock Options (Details 1)	12 Months Ended
Dec. 31, 2016 € / shares shares
0.14
Number of Options Outstanding, Ending \| shares	2,350,000
Weighted Average Remaining Contractual Life Outstanding	3 years
Weighted Average Exercise Price Outstanding, Ending \| € / shares	€ 0.14
Number of Options Exercisable \| shares	2,350,000
Weighted Average Exercise Price Exercisable \| € / shares	€ 0.14
0.19
Number of Options Outstanding, Ending \| shares	1,000,000
Weighted Average Remaining Contractual Life Outstanding	3 years 6 months
Weighted Average Exercise Price Outstanding, Ending \| € / shares	€ 0.19
Number of Options Exercisable \| shares	1,000,000
Weighted Average Exercise Price Exercisable \| € / shares	€ 0.19
0.02
Number of Options Outstanding, Ending \| shares	17,450,000
Weighted Average Remaining Contractual Life Outstanding	6 years 9 months 18 days
Weighted Average Exercise Price Outstanding, Ending \| € / shares	€ 0.02
Number of Options Exercisable \| shares	13,150,000
Weighted Average Exercise Price Exercisable \| € / shares	€ 0.02
0.023
Number of Options Outstanding, Ending \| shares	8,300,000
Weighted Average Remaining Contractual Life Outstanding	8 years 3 months 18 days
Weighted Average Exercise Price Outstanding, Ending \| € / shares	€ 0.023
Number of Options Exercisable \| shares	3,470,000
Weighted Average Exercise Price Exercisable \| € / shares	€ 0.023
0.02-0.19
Number of Options Outstanding, Ending \| shares	29,100,000
Weighted Average Exercise Price Outstanding, Ending \| € / shares	€ 0.0364
Number of Options Exercisable \| shares	19,970,000
Weighted Average Exercise Price Exercisable \| € / shares	€ 0.0432

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.

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

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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

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Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Weighted average price at which grantees can acquire the shares reserved for issuance 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)(i)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ 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 (e)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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