Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended		12 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Cash flows from operating activities
Net loss	$ (25,683)	$ (27,793)	$ (52,350)	$ (7,442)	$ (53,476)	$ (59,792)
Adjustments to reconcile net loss to cash used in operating activities:
Stock-based compensation					5,608	53,150
Depreciation					265	42
Loss from sale of property and equipment					111	0
Amortization of debt issuance cost					349	0
Provision for obsolete and slow-moving inventory					12	0
Loss from unconsolidated subsidiary					0	354
Gain from disposal of investment in unconsolidated subsidiary	0		(20,619)		(337)	(20,619)
Gain on extinguishment of debt	0		0		0	(790)
Warranty provision					4,184	1,627
Warranty recoverable from manufacturer					(181)	(511)
Bad debt expense					1,147	23
Lease expense and other non-cash items					384	0
Impact on cash from changes in operating assets and liabilities:
Accounts receivable, net					30,397	(23,270)
Inventories					(4,829)	(6,123)
Prepaid and other current assets					3,586	(23,892)
Other assets					(384)	678
Accounts payable					(3,943)	9,719
Accruals and other current liabilities					(22,127)	190
Accrued interest – related party debt					0	(207)
Deferred revenue					5,460	(14,779)
Other non-current liabilities					(2,334)	224
Lease payments and other, net					(290)	(319)
Net cash used in operating activities					(36,398)	(84,295)	$ (132,900)
Cash flows from investing activities:
Purchases of property and equipment					(683)	(293)
Proceeds from sale of property and equipment					53	0
Acquisitions, net of cash acquired					18	0
Proceeds from disposal of investment in unconsolidated subsidiary					337	22,122
Net cash provided by (used in) investing activities					(275)	21,829
Cash flows from financing activities:
Repayments of borrowings					0	(1,000)
Repurchase and retirement of common stock held by related parties					0	(54,155)
Offering costs paid					0	(5,334)
Deferred financing costs for revolving credit facility					0	(1,959)
Proceeds from stock issuance					0	241,207
Proceeds from stock option exercises					514	0
Net cash provided by financing activities					514	178,759
Effect of exchange rate changes on cash, cash equivalents and restricted cash					(1)	6
Net increases (decrease) in cash, cash equivalents and restricted cash					(36,160)	116,299
Cash, cash equivalents and restricted cash at beginning of period		$ 102,185		$ 33,373	102,185	33,373	33,373
Cash, cash equivalents and restricted cash at end of period	$ 66,025		$ 149,672		66,025	149,672	$ 102,185
Supplemental disclosures of cash flow information:
Purchases of property and equipment included in ending accounts payable and accruals					78	154
HX Tracker purchase price included in ending accruals					4,347
Offering costs in period end accruals					0	619
Commencement of new operating leases					0	639
Cash paid during the period for third party interest					403	247
Cash paid during the period for taxes					$ 146	$ 0