Accounts receivable (Details)	12 Months Ended
Dec. 31, 2021 USD ($) customer	Dec. 31, 2020 USD ($) customer	Dec. 31, 2019 USD ($)
Accounts receivable
Trade accounts receivable	$ 29,457
Sales taxes receivable	212,900
Total accounts receivable	$ 242,357
Number of customers holding over 10% of balance \| customer	1	1
Portion of balance held	94.00%
Bad debt expense	$ 0	$ 0	$ 0

No definition available.

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Period Type:	duration

- Definition

The amount of bad debt expense incurred during the period.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The number of customers with an individual share of the trade accounts receivable balance that exceeds the threshold of 10%.

+ References

No definition available.

+ Details

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Balance Type:	na
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- Definition

The percentage of the total trade accounts receivable balance that is held by customers whose individual shares exceed the threshold of 10%.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	duration

- Definition

The amount of current trade receivables and current other receivables. [Refer: Current trade receivables; Other current receivables]

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of current receivables from taxes other than income tax. [Refer: Receivables from taxes other than income tax]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

The amount of current trade receivables. [Refer: Trade receivables]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
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+ Details

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