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Business combination, contingent consideration, equity interest issuable, number of shares.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Number of shares of equity interests issued or issuable to acquire entity.

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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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Amount of liability recognized arising from contingent consideration in a business combination.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of other research and development expense.

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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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Helio Vision Acquisition - Additional Information (Detail) - USD ($)		1 Months Ended	3 Months Ended			6 Months Ended		12 Months Ended
	Jan. 28, 2019	Jan. 31, 2021	Jun. 30, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2020
Business Acquisition [Line Items]
Allocated Share Based Compensation Expense			$ 1,294,335	$ 2,323,561		$ 3,230,913	$ 4,705,218
Research and Development Expenses [Member]
Business Acquisition [Line Items]
Allocated Share Based Compensation Expense			$ 640,017	$ 1,180,305		1,485,683	2,373,172
Helio Vision Inc [Member]
Business Acquisition [Line Items]
Business combination, stock issued	1,160,444	246,562
Contingent consideration payable in stock								$ 2,500,000
Income tax benefit								500,000
Helio Vision Inc [Member] \| Common Stock after FDA Approval prior to 10th Anniversary [Member]
Business Acquisition [Line Items]
Business combination, contingent consideration liability	$ 10,000,000.0
Helio Vision Inc [Member] \| Common Stock after FDA Approval Prior to 12th Anniversary [Member]
Business Acquisition [Line Items]
Business combination, contingent consideration liability	$ 2,500,000
Helio Vision Inc [Member] \| Common Stock after FDA Approval Prior to 12th Anniversary [Member] \| Maximum [Member]
Business Acquisition [Line Items]
Business combination, contingent consideration stock to be issued	5,248,885
Helio Vision Inc [Member] \| Tax Gross-up Payment in Event of Change of Control or Divesture [Member] \| Maximum [Member]
Business Acquisition [Line Items]
Business combination, contingent consideration liability	$ 1,000,000.0
Helio Vision Inc [Member] \| Founders [Member]
Business Acquisition [Line Items]
Business combination, stock issued	568,627
Helio Vision Inc [Member] \| Founders [Member] \| Restricted Stock [Member]
Business Acquisition [Line Items]
Share-based compensation award, vesting period	3 years
Helio Vision Inc [Member] \| Founders [Member] \| Research and Development Expenses [Member] \| Restricted Stock [Member]
Business Acquisition [Line Items]
Allocated Share Based Compensation Expense						$ 100,000	$ 600,000
Helio Vision Inc [Member] \| Non Founders [Member]
Business Acquisition [Line Items]
Business combination, stock issued	591,817
Helio Vision Inc [Member] \| Milestone [Member]
Business Acquisition [Line Items]
Business combination, stock issued					246,562
Helio Vision Inc [Member] \| Milestone [Member] \| Research and Development Expenses [Member] \| Restricted Stock [Member]
Business Acquisition [Line Items]
Allocated Share Based Compensation Expense								1,200,000
Expense related to the Milestone IPR&D								$ 1,800,000