CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022
Operating activities
Net loss	$ (55,339)	$ (27,614)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	3,559	2,657
Equity-based compensation	12,643	20,593
Change in fair value of warranty liability	9,800	(23,188)
Realized and unrealized gain on marketable securities	(501)
Equity method investment loss	157	175
Asset retirement obligation accretion	51	41
Amortization of debt discount	1,771
Changes in operating assets and liabilities:
Accounts receivable	(569)	298
Other current assets	1,246	1,996
Other assets	84	68
Accounts payable	(102)	1,068
Deferred revenue	(23)	(1,588)
Accrued expenses and other liabilities	2,140	(92)
Operating lease right-of-use assets and liabilities	476	401
Net cash used in operating activities	(24,607)	(25,185)
Investing activities
Capitalization of costs and purchases of network assets, property, and equipment	(2,541)	(1,720)
Purchase of marketable securities	(33,494)	(8,173)
Sale and maturity of marketable securities	35,249
Purchase of internal use software	(708)	(279)
Purchase of equity method investment		(1,125)
Net cash used in investing activities	(1,494)	(11,297)
Financing activities
Proceeds from senior secured notes	70,000
Payments towards debt issuance cost	(1,861)
Payments towards debt	(82)
Proceeds from exercise of stock options	66	48
Proceeds from exercise of warrants	882
Repurchase of common stocks (withholding taxes)		(4)
Net cash provided by financing activities	69,005	44
Effect of exchange rates on cash and cash equivalents	(2)	(50)
Net decrease in cash and cash equivalents	42,902	(36,488)
Cash and cash equivalents at beginning of period	47,230	100,076
Cash and cash equivalents at end of period	90,132	63,588
Non-cash financing information
Capital expenditure included in accounts payable	120	427
Issuance of warrants	$ 22,843