Net profit (loss) per share - Additional information (Detail)
|9 Months Ended|
Sep. 30, 2021
|Earnings Per Share [Abstract]|
|Common Stock, Terms of Conversion||As a result of the Merger, the Company has retroactively adjusted the weighted-average number of shares of common stock outstanding prior to the Merger closing date by multiplying them by the Exchange Ratio used to determine the number of shares of common stock into which they converted|
Description of common stock conversion feature. Includes, but is not limited to, conversion price; conversion right; timing of right; terms, event or change in circumstance causing contingency to be met or adjustment to conversion price or number of shares; manner of settlement upon conversion; and method of settlement.
Reference 1: http://www.xbrl.org/2003/role/disclosureRef