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Share-based Compensation - Option activity (Details) - Incentive stock options - 2019 Plan - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Number of Options |  |  |
Outstanding Beginning Balance | 391,604 | 28,576 |
Granted | 90,478 | 363,028 |
Exercised | (7,183) |  |
Cancelled | (39,960) |  |
Outstanding Ending Balance | 434,939 | 391,604 | 28,576
Exercisable at June 30, 2021 | 291,364 |  |
Weighted Average Exercise Price |  |  |
Outstanding Beginning Balance | $ 0.97076 | $ 1.873375 |
Granted | 3.960526 | 1.0185 |
Exercised | 1.75 |  |
Cancelled | 1.49975 |  |
Outstanding Ending Balance | 1.675747 | $ 0.97076 | $ 1.873375
Exercisable at June 30, 2021 | $ 1.331957 |  |
Weighted Average Contractual Term in Years |  |  |
Granted | 10 years | 10 years |
Outstanding Balance | 8 years 6 months 21 days | 9 years 3 months 25 days | 9 years 7 months 6 days
Exercisable at June 30, 2021 | 8 years 5 months 4 days |  |

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- Definition Weighted average remaining contractual term for the options granted, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References No definition available. + 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 cancelled. + References No definition available. + Details
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- Definition 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. + 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 (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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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 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 (c)(1)(iii) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur. + 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 http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, 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 -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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