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Share-Based Payments - Additional Information (Detail) - shares |  |  | 9 Months Ended
--- | --- | --- | ---
Sep. 03, 2021 | May 19, 2021 | Sep. 30, 2021
Share-Based Payments [Line iteam] |  |  |
Number of stock options outstanding, Granted during the period |  |  | 75,600
Warrants Remaining contractual life |  | 4 years |
Director [Member] | Warrant [Member] |  |  |
Share-Based Payments [Line iteam] |  |  |
Stock Issued During Period, Shares, Issued for Services | 39,185 | 39,185 |
Share options [Member] | Employees [Member] |  |  |
Share-Based Payments [Line iteam] |  |  |
Number of stock options outstanding, Granted during the period |  |  | 75,600
Restricted Stock Units [Member] |  |  |
Share-Based Payments [Line iteam] |  |  |
Number of RSU outstanding, Granted during the period |  |  | 44,900
Restricted Stock Units [Member] | Employees [Member] |  |  |
Share-Based Payments [Line iteam] |  |  |
Number of RSU outstanding, Granted during the period |  |  | 44,900

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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. + References No definition available. + Details
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- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target 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)(2)(iii)(1) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Definition Number of shares issued in lieu of cash for services contributed to the entity. Number of shares includes, but is not limited to, shares issued for services contributed by vendors and founders. + References No definition available. + Details
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- Definition Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -URI http://asc.fasb.org/extlink&oid=123874694&loc=d3e19207-110258 + Details
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