Equity Transactions - Underwritten Public Offering - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Class Of Stock [Line Items]
Proceeds from equity offering			$ 10,334	$ 5,357
Common Stock [Member]
Class Of Stock [Line Items]
Issuance of stock, shares	3,226,859	70,000	3,964,478	327,185

Number of new stock issued during the period.

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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration