Notes Payable - Secured SPA Notes Narrative (Details) - Notes Payable - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Debt Instrument [Line Items]
Gain (loss) on fair value adjustment of debts	$ (5,212)	$ 21,780
2023 Unsecured Convertible Note
Debt Instrument [Line Items]
Debt instrument, term	6 years
Conversion price (in dollars per share)	$ 1.16
Notes payable	$ 4,400		$ 6,700
Percent of purchaser's conversion shares	33.00%
Proceeds from debt, net of issuance costs	$ 3,600	0
Debt conversion, converted amount	$ 7,300	$ 4,400
Shares issued from conversion (in shares)	22,566,836	4,167,764
Gain (loss) on fair value adjustment of debts	$ (812)	$ 2,024
2023 Unsecured Convertible Note | Class A Common Stock
Debt Instrument [Line Items]
Debt instrument, fixed conversion price percentage	90.00%
Gain (loss) on extinguishment of debt	$ (2,500)	(2,800)
Secured SPA Notes
Debt Instrument [Line Items]
Debt instrument, term	6 years
Debt instrument, fixed conversion price percentage	90.00%
Conversion price (in dollars per share)	$ 1.16
Notes payable	$ 0		$ 0
Proceeds from debt, net of issuance costs		0
Debt conversion, converted amount		$ 600
Shares issued from conversion (in shares)		602,902
Gain (loss) on fair value adjustment of debts		$ 2,479
Secured SPA Notes | Class A Common Stock
Debt Instrument [Line Items]
Gain (loss) on extinguishment of debt		$ (300)
Secured SPA Notes | Metaverse Horizon Limited and V W Investment Holding Limited
Debt Instrument [Line Items]
Percent of purchaser's conversion shares	33.00%
Minimum | 2023 Unsecured Convertible Note
Debt Instrument [Line Items]
Contractual Interest Rates	10.00%		10.00%
Minimum | Secured SPA Notes
Debt Instrument [Line Items]
Contractual Interest Rates	10.00%
Maximum | 2023 Unsecured Convertible Note
Debt Instrument [Line Items]
Contractual Interest Rates	15.00%		15.00%
Maximum | Secured SPA Notes
Debt Instrument [Line Items]
Contractual Interest Rates	15.00%