Stock options - Schedule of outstanding stock options (Details) - $ / shares	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Share-Based Payment Arrangement [Abstract]
Number of options, beginning of period	8,133,013	8,133,013
Options outstanding, weighted average exercise price, beginning of period	$ 0	$ 0
Number of options, assumed in reverse acquisition	1,300,000	1,300,000
Weighted average exercise price, Options assumed in reverse acquisition	$ 0.1	$ 0.1
Weighted average remaining term acquired in reverse acquisition, Options assumed in reverse acquisition	7 days
Number of options, Exercise	(8,133,013)	(8,133,013)
Weighted average exercise price of options, Exercise	$ 0	$ 0
Number of options, Expired	0	0
Weighted average exercise price of options, Expired	$ 0	$ 0
Number of options, Forfeited	(200,000)	(200,000)
Weighted average exercise price of options, Forfeited	$ 0	$ 0
Number of options, end of period	1,100,000	8,133,013
Options outstanding, weighted average exercise price, end of period	$ 0.1	$ 0
Weighted Average Remaining Term	7 days

It represents share based compensation arrangement by share based payment award options exercised in period.

No definition available.

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- Definition

It represents share based compensation arrangement by share based payment award options outstanding weighted average remaining contractual term acquired in reverse merger.

+ References

No definition available.

+ Details

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- References

No definition available.

+ Details

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- Definition

Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

+ References

+ Details

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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

+ Details

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- Definition

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

+ References

+ Details

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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

Weighted average price at which option holders acquired shares when converting their stock options into shares.

+ References

+ Details

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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.

+ References

+ Details

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- Definition

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

+ References

+ Details

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- Definition

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

+ 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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