Stockholders deficit (Details) - $ / shares	6 Months Ended	12 Months Ended
Jun. 30, 2023	Dec. 31, 2022
Equity [Abstract]
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number, Beginning Balance	602,852,506	623,777,506
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Beginning Balance	$ 0.001306	$ 0.0052875
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period		(20,925,000)
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price		$ 0.12
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period
Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures in Period		20,925,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number, Ending Balance	602,852,506	602,852,506
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Ending Balance	$ 0.001306	$ 0.001306

No definition available.

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

+ References

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- Definition

Gross number of share options (or share units) granted during the period.

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- Definition

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

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- Definition

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

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- Definition

Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

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- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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- Definition

Number of share options (or share units) exercised during the current period.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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-Section S99
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-Publisher FASB
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-Topic 210
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Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
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