Stockholders' Equity - Common Stock Purchase Agreement (Detail) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended	6 Months Ended		12 Months Ended
	Aug. 11, 2022	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2020	Dec. 31, 2023
Stockholder's Equity
Common Stock, Shares, Outstanding			179,596,760			147,066,336
Proceeds from sale of common stock through Purchase Agreement		$ 2,348		$ 2,348
Share price (in $ per share)			$ 0.01
Purchase agreement impairment of deferred financing costs		$ 100		$ 800
Common Stock Purchase Agreement
Stockholder's Equity
Common Stock, Shares, Outstanding	23,648,889
Percentage of the aggregate number of shares of common stock issued and outstanding immediately prior to the execution of the agreement.	19.99%
Stock issued during period, shares, issued for services	171,008
Proceeds from sale of common stock through Purchase Agreement			$ 12,838
Proceeds from sale of common stock through Purchase Agreement (in shares)			10,056,799
Share price (in $ per share)						$ 1.00
Common Class A | Common Stock Purchase Agreement
Stockholder's Equity
Common Stock, Value, Subscriptions	$ 75,000
Series C Preferred Stock
Stockholder's Equity
Proceeds from sale of common stock through Purchase Agreement					$ 56,200
Proceeds from sale of common stock through Purchase Agreement (in shares)					54,500,000