Segments - Reconciliation of total segment net loss to total consolidated net loss (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2026	Mar. 31, 2025
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue		$ (995)	$ (1,539)
Less:
Technology development expenses		3,024	2,474
Business operation expenses		4,291	4,024
General and administrative expenses		6,463	6,456
Depreciation and amortization		1,534	1,452
Interest expense, net		3,913	2,738
Change in fair value of warrants and derivative liabilities		(12,605)	18,482
Other segment items	[1]	4,940	24,434
Provision for income taxes		56	58
Consolidated net loss		$ 10,621	$ 58,579

[1] Other segment items include equity-based compensation, debt extinguishment loss, non-cash other loss, non-cash rent expense, capitalized labor costs, accretion expense on asset retirement obligations and other income (loss).