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Stockholders' Equity and Stock-Based Compensation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Mar. 24, 2019	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Jun. 30, 2024	Jun. 30, 2022	Dec. 31, 2018
Options granted				2,640,601	3,554,528
Restricted Stock Units [Member]
Unrecognized stock compensation expense		$ 8,935		$ 8,935
Share-based compensation expected to be recognized over a weighted-average period				2 years 5 months 19 days
RSU granted during the period				1,914,335	3,192,372
Option
Fair value of option vested				$ 4,136	$ 3,117
Unrecognized stock compensation expense		7,464		$ 7,464
Share-based compensation expected to be recognized over a weighted-average period				2 years 5 months 23 days
Weighted average grant-date fair value				$ 1.89	$ 1.32
Selling, General and Administrative Expenses
Stock-based compensation expense		$ 2,712	$ 2,417	$ 7,687	$ 6,630
2003 and 2018 Stock Incentive Plan \| Maximum
Stock option granted vesting period				5 years
2003 and 2018 Stock Incentive Plan \| Minimum
Stock option granted vesting period				4 years
2003 and 2018 Stock Incentive Plan \| Option
Stock option expiration period				10 years
Common Class A
Company issued acquisition of shares	728,548
Common Class A \| 2018 Stock Incentive Plan
Common stock awards authorized						15,900,000	7,826,970	9,198,996