Consolidated Balance Sheets (Parentheticals) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Convertible preferred stock, par value (in dollars per share)		$ 0.0001
Convertible preferred stock, shares authorized (in shares)		86,864,781
Convertible preferred stock, shares issued (in shares)		73,021,449
Convertible preferred stock, shares outstanding (in shares)		73,021,449
Convertible preferred stock, aggregate liquidation preference		$ 1,847,993
Preferred stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Preferred stock, shares authorized (in shares)	100,000,000	0
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Class A common stock
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	2,000,000,000	189,000,000
Common stock, shares issued (in shares)	62,479,462	7,099,700
Common stock, shares outstanding (in shares)	62,479,462	7,099,700
Class B common stock
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	140,000,000	142,000,000
Common stock, shares issued (in shares)	103,154,629	53,904,204
Common stock, shares outstanding (in shares)	103,154,629	53,904,204
Class C common stock
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	100,000,000	0
Common stock, shares issued (in shares)	0	0
Common stock, shares outstanding (in shares)	0	0