Face amount or stated value per share of common stock.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Subsequent Events - Additional Information (Detail) - $ / shares	Jan. 11, 2022	Dec. 31, 2021	Dec. 31, 2020
Subsequent Event [Line Items]
Common stock, par value		$ 0.001	$ 0.001
Common stock, shares outstanding		14,306,788	15,160,397
Subsequent Event [Member]
Subsequent Event [Line Items]
Common stock, shares outstanding	13,756,788
Subsequent Event [Member] \| Common Stock [Member]
Subsequent Event [Line Items]
Conversion of stock, shares converted	6,553,894
Subsequent Event [Member] \| Series X1 Preferred Stock [Member]
Subsequent Event [Line Items]
Conversion of stock, shares issued	117,970
Subsequent Event [Member] \| Series X1 Exchange Agreement [Member] \| Biotechnology Value Fund Exchanging Stockholders [Member] \| Common Stock [Member]
Subsequent Event [Line Items]
Conversion of stock, shares converted	550,000
Subsequent Event [Member] \| Series X1 Exchange Agreement [Member] \| Biotechnology Value Fund Exchanging Stockholders [Member] \| Series X1 Preferred Stock [Member]
Subsequent Event [Line Items]
Conversion of stock, shares issued	9,899.99