Percentage of annual increase in reserves on total number of ordinary shares outstanding.

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- Definition

Number of shares issued upon conversion of restricted share units under share based compensation arrangement.

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No definition available.

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- Definition

Represents the number of equal monthly installments for remaining awards.

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No definition available.

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Represents the number of equal quarterly installments for remaining awards.

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No definition available.

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- Definition

Aggregate number of common shares reserved for future issuance.

+ References

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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- Definition

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Number of shares authorized for issuance under share-based payment arrangement.

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

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

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- Definition

Percentage of vesting of award under share-based payment arrangement.

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Number of new stock issued during the period.

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Share-based compensation (Details)	1 Months Ended		6 Months Ended
Share-based compensation (Details)	Jun. 30, 2020 installment shares	May 31, 2019 shares	Jun. 30, 2022 installment shares	Jun. 27, 2022 shares	Jan. 01, 2022 shares	Dec. 31, 2021 shares
Stock option
Share-based compensation.
Shares outstanding	3,654,012		5,634,144			4,603,486
Employee Share Purchase Plan
Share-based compensation.
Number of shares reserved for issuance					295,793
Percentage of annual increase in reserves on total number of ordinary shares outstanding		1.00%
Number of ordinary shares reserved for issuance		215,000	901,675
Number of shares available for issuance		430,000
2020 Plan
Share-based compensation.
Number of shares reserved for issuance	4,773,557		1,373,139		1,478,968
Shares issued (in shares)	574,679
Shares outstanding			2,888,197
Percentage of annual increase in reserves on total number of ordinary shares outstanding	5.00%
2020 Plan \| Stock option
Share-based compensation.
Number of shares reserved for issuance				750,000
Contractual life	10 years
2020 Plan \| Stock option \| Non-employee Director
Share-based compensation.
Vesting period	3 years
2020 Plan \| Stock option \| First anniversary
Share-based compensation.
Vesting Percentage	25.00%
2020 Plan \| Stock option \| Employee
Share-based compensation.
Vesting period	4 years
2020 Plan \| Stock option \| Employee \| Remaining equal installments
Share-based compensation.
Number of equal monthly installments for vesting remaining awards \| installment	36
2020 Plan \| Restricted ordinary shares
Share-based compensation.
Vesting period			4 years
Right to receive upon vesting			1
RSUs outstanding under the 2020 Plan.			187,725
2020 Plan \| Restricted ordinary shares \| First anniversary
Share-based compensation.
Vesting Percentage			25.00%
2020 Plan \| Restricted ordinary shares \| Remaining equal installments
Share-based compensation.
Number of equal quarterly installments for vesting remaining awards \| installment			12
2019 Plan
Share-based compensation.
Shares issued (in shares)	544,866
2019 Plan \| Stock option
Share-based compensation.
Shares outstanding			2,146,635
Contractual life			10 years
2019 Plan \| Minimum \| Stock option
Share-based compensation.
Vesting period			3 years
2019 Plan \| Maximum \| Stock option
Share-based compensation.
Vesting period			4 years
Pre-IPO Share Options and restricted shares \| Stock option \| First anniversary
Share-based compensation.
Vesting Percentage			25.00%
Pre-IPO Share Options and restricted shares \| Stock option \| Remaining equal installments
Share-based compensation.
Number of equal monthly installments for vesting remaining awards \| installment			36