Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operating activities:
Net loss	$ (53,633)	$ (41,046)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization expense	9,332	6,095
Paid-in-kind interest on term loans, convertible notes payable and strategic partner obligations	5,879	4,230
Amortization of debt discount and deferred charges	1,626	2,417
Conversion of debt discount		971
Loss on extinguishment of debt		2,361
Fair value adjustment of derivative liabilities	(1,923)	2,898
Recognition of distribution to non-redeeming shareholders	3,888
Loss on disposal of property and equipment	722	478
Share-based compensation	3,707	220
Transaction costs allocated to warrants and earnout liability instruments	314
Accretion of asset retirement obligations	69	41
Provision for doubtful accounts	13	23
Changes in operating assets and liabilities:
Accounts receivable	(29)	(78)
Prepaid expenses and other current assets	742	(475)
Deferred cost	(168)	(55)
Other assets	(280)	(9)
Accounts payable	391	2,729
Unearned revenue	3	461
Accrued expenses and other current liabilities	6,953	1,472
Other liabilities	4
Net cash used in operating activities	(22,390)	(17,267)
Investing activities:
Purchases of property and equipment	(16,750)	(10,016)
Net cash used in investing activities	(16,750)	(10,016)
Financing activities:
Proceeds from Business Combination, net of transaction costs	163,775
Repayment of note assumed in the Business Combination	(1,200)
Proceeds from the issuance of convertible notes payable and beneficial conversion feature on convertible notes		11,000
Proceeds from Strategic Partner Arrangement	3,724	1,431
Proceeds from exercise of common stock options	467	102
Proceeds from the issuance of Series E Preferred Stock, net of issuance costs		119,850
Proceeds from the issuance of term loans, net of issuance costs	10,000
Payments of third-party issuance costs in connection with Term Loans	(47)
Repayments of capital lease obligations, net	(270)	(193)
Net cash provided by financing activities	176,449	132,190
Net increase (decrease) in cash and cash equivalents and restricted cash:	137,309	104,907
Cash and cash equivalents and restricted cash, beginning of period	30,762	26,831
Cash and cash equivalents and restricted cash, end of period	$ 168,071	$ 131,738