Stock Options (Details 1) - € / shares	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Number of options outstanding, beginning	25,750,000	25,750,000	25,750,000
Weighted average exercise price outstanding, beginning		€ 0.0273	€ 0.0273
Number of options exercisable	25,750,000	25,750,000
Weighted average exercise price exercisable	€ 0.0210	€ 0.0210
Weighted average remaining contractual life outstanding	1 year 3 months 10 days
$ 0.02 - $ 0.023
Number of options outstanding, beginning	25,750,000
Weighted average exercise price outstanding, beginning	€ 0.021
Number of options exercisable	25,750,000
Range of exercise price per share, Lower Limit	€ 0.02
Range of exercise price per share, Upper Limit	0.023
Weighted average exercise price exercisable	€ 0.021
$0.02
Number of options outstanding, beginning	17,450,000
Weighted average exercise price outstanding, beginning	€ 0.020
Number of options exercisable	17,450,000
Range of exercise price per share, Upper Limit	€ 0.02
Weighted average exercise price exercisable	€ 0.020
Weighted average remaining contractual life outstanding	9 months 18 days
$0.023
Number of options outstanding, beginning	8,300,000
Weighted average exercise price outstanding, beginning	€ 0.023
Number of options exercisable	8,300,000
Range of exercise price per share, Upper Limit	€ 0.023
Weighted average exercise price exercisable	€ 0.023
Weighted average remaining contractual life outstanding	2 years 3 months 18 days

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.

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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

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(ii)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ References

+ Details

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- Definition

The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (g)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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- Definition

The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

+ Details

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- Definition

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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (e)(1)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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